短语词组短語fan rotate speed 風扇轉速fan motor speed regulating 風機調速fan motor speed 風扇馬達轉速FRS Fan Rotation speed 風扇轉速fan variable speed 風扇調速fan adjustable speed 風機調速fan rolling speed 風機轉速engine fan - speed high 引擎風扇轉速偏高 返回 fan Speed