短語(yǔ)詞組短語(yǔ)permanent thulium magnetism gear 稀土永磁齒輪permanent magnetism operating mechanism 永磁操動(dòng)機(jī)搆vessel permanent magnetism 艦船固定磁性permanent magnetism barrel 永磁滾筒Permanent magnetism material 永磁材料permanent magnetism synchronous 永磁同步electric permanent magnetism barrel 電動(dòng)永磁滾筒ship permanent magnetism 永久船磁;永久船磁性Permanent magnetism synchronism motor 永磁同步電動(dòng)機(jī) 返回 permanent magnetism