樓主: 學(xué)徒A
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380V改接220V怎么弄的,?我是接一火線一地線,,但開關(guān)會(huì)報(bào)警 |
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點(diǎn)評(píng)
我想我說的以已經(jīng)夠明白了!三相三線,,外加一條空置的地線,。請(qǐng)勿置疑,OK???
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