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 09:22, 20 August 2024

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→‎存疑
 
== 存疑 ==
* 当电容器测量时万用表指针摆动后停止不动,说明电容不一定器短路.题库的答案和解析自相矛盾：正确.质疑：这种情况电容器不一定短路
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