欠场同步电动机

[电] permanent-field synchronous motor

qiàn chǎng tóng bù diàn dòng jī ㄑㄧㄢˋ ㄔㄤˇ ㄊㄨㄥˊ ㄅㄨˋ ㄉㄧㄢˋ ㄉㄨㄥˋ ㄐㄧ