Difference between revisions of "怎样考取低压电工证理论篇"

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怎样考取低压电工证理论篇 (view source)

Revision as of 15:42, 22 August 2024

84 bytes added ,  22 August
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* 设备漏电，应迅速用绝缘棒拉开隔离开关断开电源，再用二氧化碳灭火器或干粉灭火器灭火。错：应该先断开断路器
* 民用住宅严标安装床头开关。对：老标准老题库这么答，不计较正误
* 使用万用表电阻档能够测量变压器的线圈电阻。错：精度不足
 
== 存疑 ==
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