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c-yu
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樓主  發(fā)表于: 2007-12-07 14:27
請問(wèn)頻率與電流的以及電流與互感器匝數的關(guān)系是怎么樣?
中國工控
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1樓  發(fā)表于: 2007-12-08 20:41
你是想自己做產(chǎn)品嗎?還是工作中用啊!那要看你具體情況了.看看電工儀器與應用.

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