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xyt (25)

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xyt571.com Joined November 2017 Active 7 years ago

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xyt (25)in #electricity • 7 years ago
怎么检查短路
短路是什么? 短路（Short circuit）是指在正常电路中电势不同的两点不正确地直接碰接或被阻抗（或电阻）非常小的导体接通时的情况。短路时电流强度很大，往往会损坏电气设备或引起火灾。短路怎么发生? 以前我看过一个视频是说在野外如何使用电池和口香糖包装生火:…
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