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我好像是
大波就是我
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樓主  發(fā)表于: 2014-09-02 14:43
如題目？？？？？
地線(xiàn)不接有沒(méi)有啥影響？
xie20110506
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1樓  發(fā)表于: 2014-09-02 16:45
有干擾的地方還是用屏蔽線(xiàn)，不然通信老報錯。變頻器就是個(gè)最大的干擾源，吃了好幾次虧了！

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