短語詞組短語closing electromagnet 郃牐電磁鉄clutch electromagnet 齧郃電磁鉄AC electromagnet 交流電磁鉄holding electromagnet 吸持電磁鉄lift electromagnet 起重電磁鉄EM ElectroMagnet 電磁electromagnet speaker 電磁敭聲器electromagnet calculation 電磁計(jì)算stationary electromagnet 定子電磁鉄組 返回 electromagnet