多相感应电动机 meaning in English

polyphase induction motor

Polyphase induction motors for power generating stations
发电站用多相感应电动机
Test procedure for polyphase induction motors and generators
多相感应电动机及发电机的试验规程
Motors having liquid in the magnetic gap , test procedure for polyphase induction
磁隙有液多相感应电动机的试验程序
Test procedure for polyphase induction motors having liquid in the magnetic gap
磁隙中有液体的多相感应电动机的试验方法