超声B超维修小技巧

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                    <p><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);"></span></p><p><img data-type="gif" src="http://mmbiz.qpic.cn/mmbiz_gif/dx3KibwtDhvezhWjA9OE2EwumicC4kMAsKk2Pz01VsicM98wnG2rBnzvRXWGQfIaBFWuvAEFj8pu4K9TnhxowfPGw/0?wx_fmt=gif" data-ratio="0.1703125" data-w="640"  /></p><p><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);"></span><br  /></p><p><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">&nbsp; &nbsp;&nbsp;</span></p><p><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp;目前</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">在各级医院中</span><strong style="word-break: break-all; font-family: Verdana, Arial; color: rgb(106, 106, 106); line-height: 25px; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px; text-indent: 2em; word-wrap: normal; list-style: none;">,B</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5; text-indent: 2em;">型</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px; text-indent: 2em; word-wrap: normal; list-style: none;">超声</span></strong><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">诊断仪基本已属常规</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">设备</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">由于其操作方便</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">诊断范围广</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">因此使用率很高</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">已经成为医生辅助诊断不可或缺的设备</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">由于其高使用率</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">因此</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">故障</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">多有发生。一旦发生故障</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">既影响医生诊断</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">又影响医院创收</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">所以</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">作为医院的</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">维修</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">技术人员</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">掌握</span><strong style="word-break: break-all; font-family: Verdana, Arial; color: rgb(106, 106, 106); line-height: 25px; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px; text-indent: 2em; word-wrap: normal; list-style: none;">B</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5; text-indent: 2em;">型超声</span></strong><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">诊断仪的维修技术</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">及时排除故障</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">是十分必要的。以下是笔者根据多年的学习和</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">工作</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">经验</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">,</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">对</span><strong style="word-break: break-all; font-family: Verdana, Arial; color: rgb(106, 106, 106); line-height: 25px; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px; text-indent: 2em; word-wrap: normal; list-style: none;">B</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5; text-indent: 2em;">超</span></strong><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">仪维修的一些</span><span style="word-break: normal; font-family: 宋体; color: rgb(85, 85, 85); line-height: 22px;  text-indent: 2em; font-size: 15px; word-wrap: normal; list-style: none; background-color: rgb(255, 255, 255);">体会</span><span style="word-break: break-all; font-family: 宋体; color: rgb(85, 85, 85); line-height: 1.5;  text-indent: 2em; font-size: 15px; background-color: rgb(255, 255, 255);">。</span><span style="color: rgb(106, 106, 106); font-family: Verdana, Arial; font-size: 14px; line-height: 22.4px;  background-color: rgb(255, 255, 255);"></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">1</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　了解<strong style="word-break: break-all; line-height: 25px;"><span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">B</span>超</strong>仪的基本工作<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">原理</span>和相关电路　　掌握操作技能<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>灵活运用维修<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">手册</span>和相关技术资料<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>以利于提高检修效率。一旦发生故障<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>应通过操作人员了解仪器故障出现前和出现故障时的现象<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>如<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>显示是否正常、有无异常声音及异常气味<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>故障是突然发生还是逐渐变化<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>是时有时无还是一直如此<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>仪器的使用年限及使用环境<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>检修历史等。然后开机操作运行试验<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>观察故障形成过程及其表现。掌握基本情况常用的方法有看、闻、问、查。看<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>用眼观察电路板有关元器件有无烧焦、变色、破裂、流液、虚焊、脱焊、短路、松脱等。通电后再观察有无打火及冒烟现象。闻<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>打开机盖<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>通电前后是否闻到异常气味<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>若有应立即关机检查。问<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>询问操作人员故障发生前后有哪些异常现象<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>该机是否检修过<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>是新故障还是老故障重现<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>使用条件是否有变化<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>如电压是否波动太大、周围是否存在干扰<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>出现故障前该机是否碰撞过等。查<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>进行初步检查<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>如电源接插件是否完好<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>有无断线<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>保险丝是否熔断<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>开机后是否有指示<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>操作各调节旋钮或按键是否有反映等。掌握上述基本情况后<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>参考该机的相关技术资料<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>分析判断故障产生的原因及大概部位<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>结合日常积极的检修资料和经验<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>制定可行的检修方案。按氦定检修方案<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>对相关电路进行有关观察和测试<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>缩小故障范围<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>并不断修正拟定方案<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>以确定故障的具体位置。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">2</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　判断故障所在位置的基本方法　　<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">B</span>型超声诊断仪一般由整机电源电路、发射脉冲产生与控制电路、超声信号接收与处理电路、<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">数字</span>扫描变换电器、数字图像处理电路、超声探头部分及监视器电路等组成<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>具体分布在探头<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">(</span>换能器<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">)</span>、主机和监视器三大部分中。判断故障所在位置的基本方法有</span><span style="word-break: normal; font-family: Verdana, Arial; line-height: 25px; word-wrap: normal; list-style: none;"><span style="word-break: normal; line-height: 1.5; word-wrap: normal; list-style: none;">:</span></span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">2-1</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　用同规格、型号新的探头或正常工作的探头更换故障机的探头<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>若故障现象消失<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>则说明原探头有故障<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">;</span>若故障现象不变<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>则说明原探头无问题。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">2-2</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　将故障机主机的视频信号输入到同型号正常工作的<strong style="word-break: break-all; line-height: 25px;"><span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">B</span>超</strong>仪监视器输入端<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>若故障现象消失<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>说明故障机的监视器有故障。作者单位<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:150010</span>　哈尔滨市第一医院</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">2-3</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　当将探头和监视器的故障情况确定后<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>就能够判断主机是否有故障。主机故障部位判断<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>主机一般由接收发射部分、模拟信号处理部分、数字信号转换部分及电源部分组成。首先检查电源部分是否工作正常<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>然后用示波器分别观测接收发射部分及信号处理部分各输入、输出信号波形<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>确定数字信号转换部分是否有故障。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">2-4</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　数字信号转换部分故障部位确定<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>数字信号转换部分由信号通道、控制部分及字符框标三部分组成。也应用示波器按各部分检查<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>缩小故障范围<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>确定所在的具体部位。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　检查故障的基本原则</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-1</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　先外后内<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>有些故障是人为造成的<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>不是机器本身有故障<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>所以应先检查操作者是否按正常操作程序进行的再检查各开关和旋钮位置是否正确或适当。有些故障通过面板上的旋钮或控制键便能判断故障的大致位置。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-2</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　先电源后负载<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>打开机盖<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>接通电源后<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>首先测量电源各组输出电压是否正常<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>只有电源输出电压正常<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>才能再考虑其他问题。相当数量的故障都是由于电源电压不正常造成的。例如<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,CS-400B</span>型超声诊断仪<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>故障现象为行频不同步<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>调节外部行频电位器检查判断机内有故障<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>打开机盖测量电原各组输出电压时<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>发现电原<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">+5V</span>电压不正常<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>更换<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">+5V</span>电源滤波电容器<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>再开机操作试验<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>故障现象消失。由此说明先检查电源电路后检查负载电路能提高检修效率。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-3</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　先电路板后单元电路<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span><strong style="word-break: break-all; line-height: 25px;"><span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">B</span>超</strong>仪一般是几个功能单元电路装在一块电路板上<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>由几块电路板构成整机电路<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>一般采用拔插法和代换法确定故障所在电路板。①拔插不进通过拔下或插回某一电路板插件来判断故障在哪一块电路板的方法<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>用该方法检查电源过载故障特别有效。②代换法仍是采用同型号<strong style="word-break: break-all; line-height: 25px;"><span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">B</span>超仪</strong>的相同且工作的电路板<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>代换故障机上怀疑有故障的电路板<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>代换后若故障排除<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>则说明该机原电路板确实有故障。这样可大大减轻检修劳动强度<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>节约检修时间。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-4</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　单元电路检修方法<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>根据电路板的检测<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>确定故障所在单元电路后<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>采用下述方法确定变质或损坏的元器件。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-4-1</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　电流测定量<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>测量有关测试点电压的高低<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>判断单元电路工作状态<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>确定变质、损坏的元器件。这种方法最为方便<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>应用最广。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-4-2</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　电阻测量法<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>根据测量有关节点的对地电阻<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>分析判断单元电路的故障范围<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>找出变质、损坏的元器件。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-4-3</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　波形观测法<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>用示波器测量有关测试点的信号波形<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>判断单元电路的工作状态<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>分析找出变质、损坏的元器件。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">3-4-4</span></span><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">　代换法<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">:</span>怀疑某个元器件有问题时<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>试用同规格的正常元器件代换<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>以确定变质、损坏的元器件。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">根据单元电路检测结果<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>判断具体变质或损坏元器件后<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>用同规格性能良好的元器件更换<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>若损坏的可调元件<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>则更换后还应进行适当的调整<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>以保证单元电路工作正常。更换无件时<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>要保证印刷电路不受损伤<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>也不能造成新的故障。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;">更换变质损坏的元件后<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>装好单元电路所在电路板<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>恢复整机原来状态<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>然后按照该机的有关技术指标进行调试和试验<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>把<strong style="word-break: break-all; line-height: 25px;"><span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">B</span>超仪</strong>调整到罗佳的工作状态<span style="word-break: normal; line-height: 22px; word-wrap: normal; list-style: none;">,</span>方可进行实际操作使用。</span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;"><br  /></span></span></p><p style="word-break: normal; font-family: Arial, 宋体, Helvetica, sans-serif; margin: 0cm 0cm 0pt; color: rgb(85, 85, 85); line-height: 30px; text-indent: 24pt; white-space: normal; border: 0px; list-style: none; word-wrap: normal; font-size: 15px; background-color: rgb(255, 255, 255);"><span style="word-break: normal; font-family: 宋体; color: rgb(106, 106, 106); line-height: 22px; word-wrap: normal; list-style: none;"><span style="word-break: normal; font-family: Verdana, Arial; line-height: 1.5; word-wrap: normal; list-style: none;"></span></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">地址：广州市天河区银利街银</span><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">利茶叶博览中心E栋4楼E4030室 &nbsp;</span><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; text-indent: 0em; font-size: 14px; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;">&nbsp; &nbsp;&nbsp;</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;">邮编：510507</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">电话：(+86)020-8722 8723 &nbsp; &nbsp;8764 5360 &nbsp; &nbsp;8764 2943 &nbsp; &nbsp;&nbsp;</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">传真：020-8722 8623</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">全国统一免费服务热线：400-020-6788</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 16px; line-height: 24.381px; font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;">公司官网：http://gb.parts-ultrasound.com/</span><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; line-height: 24.381px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; line-height: 1.75em; text-indent: 0em; font-size: 14px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;">微信公众帐号：</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; line-height: 24.381px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; line-height: 1.75em; text-indent: 0em; font-size: 14px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p><img data-s="300,640" data-type="jpeg" src="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvfh2wVX4NftfnfjcZWIKK6EQDWtTTsYwjfQBnsqkThAZP5OlDmg5S3g22gSqMWhAxr2O4MydSJHnQ/0?wx_fmt=jpeg" data-ratio="1" data-w="258"  /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em; box-sizing: border-box !important; word-wrap: break-word !important;">维修咨询：QQ: &nbsp;712638 404</span><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"  /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">设备咨询: &nbsp; QQ: &nbsp;712638 405</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; line-height: 24.381px; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em; box-sizing: border-box !important; word-wrap: break-word !important;">软件咨询：QQ: 712638 406</span><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"  /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">配件咨询：QQ: &nbsp; 712638 407</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">交流Q群：1106 11074</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">网址：http://www.yiliaoshebeiweixiu.com</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); text-indent: 0em; white-space: normal; font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">电子邮箱：service@yiliaoshebeiweixiu.com</span></p><p><br  /></p>