短语词组短語pilot -motor 控制馬達Pilot t Motor 輔助電動機pilot pressure pump motor 輔助壓力泵馬達brush shifting pilot motor 移刷電動機motor pilot 引示電動機travel motor pilot pressure 行駛馬達先導壓力Electric -hydraulic pilot driven by step-motor 步進式電液引導閥 返回 pilot motor