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万用表怎样查水泵是否烧坏

更新时间: 2020-10-10 00:00:00     

1、测量水泵绝缘,把打到最大档200M档。一根表笔接水泵外壳,一根和绕组相连接。如果绝缘击穿,此时电阻为零。

关键词: 怎样 水泵 是否 烧坏

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