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按规范所有正常不带电的金属物都要接地~明白?这叫重复接地! [size="2"][color="#999999"]lpceccchyl 发表于 2011-2-23 17:16 <img file="http://bbs.hcbbs.com/images/common/back.gif" onload="thumbImg(this)" alt="" />
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