separately y excited inverter分激式变流器
separately y excited machine他激电机
separately y excited oscillator分激振荡器
separately y excited motor他励电动机
separately y excited generator他激发电机
separately y excited phase advancer分激式进相机
separately y excited induction generator分激感应式发电机
separately-excited phase advancer分激式进相机
separately excited machine他激电机;他励电机