標題:安裝電線顏色的分類,例如零線用什么顏色,地線用什么顏色,具體有規范嗎?
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2#發表于:2011-08-04 10:23:37 - IP:
RE:http://www.zcfenghua.com/search.do?nkey=%E5%AE%89%E8%A3%85%E7%94%B5%E7%BA%BF%E9%A2%9
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