是感應電。1.火線沒關斷（%99）2 零線跟地線有壓差

來源: 味苦於 2017-12-26 08:13:49 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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是感應電。1.火線沒關斷 （%99）2 零線跟地線有壓差