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BA5TX:没有具体说明是什么“地”线,如果是高频“地”........[表情] (2015-12-06 15:06)
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bg1cst:楼体上砸出钢筋焊一只线鼻子上去 (2015-11-14 18:28)
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BG6TSV:前两天做了个实验,从楼顶防雷带上绑了根4平方的电线下来到房间里,用万用表量了一下这根电线和插座上的地线端,结果是直通的,是不是说明这栋楼的防雷带、楼体钢筋和插座地线是接再一起 .. (2015-12-07 23:44)
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