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雙線并(bing)繞的磁環電感，同向(xiang)與反向(xiang)繞制有(you)什么(me)區別(bie)，哪一個(ge)方式是(shi)共(gong)模，哪個(ge)是(shi)差模電感
同進同出才是(shi)(shi)共模(mo)電(dian)感(gan)，反向繞的只能是(shi)(shi)差(cha)模(mo)電(dian)感(gan)，不過共模(mo)電(dian)感(gan)也(ye)可以當(dang)差(cha)模(mo)電(dian)感(gan)用，差(cha)模(mo)電(dian)感(gan)不能當(dang)共模(mo)電(dian)感(gan)用。
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