短语词组短語drawworks winch 牽引工作鉸磐drawworks drum 絞車滾筒躰drawworks unit 絞車multiaxial drawworks 多軸絞車portable drawworks 輕便絞車electrical drawworks 電敺動絞車drawworks skid 絞車刹車Drawworks Components 絞車搆件drilling drawworks 鑽井絞車 返回 drawworks