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家用电路两根线都有电怎么办
更新时间: 2020-09-26 00:00:00  

家用电路有两根线,一个为火线一个为零线,其零线是没有电的。家用电路两根线都是有电的,是因为其中有一根断线,火线通过负载形成两根线“有电”,用万用表是测不出电压的,需要检查电线的各个分支接线点或线条断线。

关键词: 家用 电路 怎么办

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