短語詞組短語unexcited salient -pole synchronous machine 未激勵凸極同步電機salient -pole-type synchronous machine 突極型同期機Doubly -fed Variable-speed Salient-pole Synchronous machine 雙餽變速凸極同步電機non -salient-pole-type synchronous machine 非突極型同期機 返回 salient-pole synchronous machine