短語詞組短語closed -cycle engine 閉式循環(huán)發(fā)動機closed indirect cycle 封閉式間接循環(huán)closed MHD cycle 閉式磁流體循環(huán)system closed -cycle 封閉循環(huán)系統(tǒng)closed water cycle 封閉水循環(huán)closed feed cycle 閉式回熱循環(huán) 返回 closed cycle