短語詞組短語polyphase alternating current 多相交流電;多相交流電流polyphase current source 多相電流源asymmetrical polyphase current 不對(duì)稱多相交流balanced polyphase current 平衡多相電流asymmetric polyphase current 不對(duì)稱多相電流symmetrical polyphase current source 対稱多相電流源alternating -current polyphase induction motor 交流多相感應(yīng)電動(dòng)機(jī) 返回 polyphase current