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dre58377
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樓主  發(fā)表于: 2014-10-23 14:10
請教各位前輩，我有一臺三菱變頻器FR-E720-3.7K接二臺馬達，剛啟動(dòng)時(shí)會(huì )有異音，運轉約5分鐘後，異音就沒(méi)了，是不是要Pr.72的參數

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