加盖自卸车动力单元 DUMP TRUCK POWER UNIT 简介 General Description 此类动力单元专为自卸车加盖改装而设计,采用直流电机,多用集成块,电磁方向阀,油箱等配件组成。由电磁阀的换向来实现封盖的启闭,启闭的速度由节流阀来调节。 This power unit is designed for opening and closingtrailer covers.Special valve allows variable speeds and variable amount of opening or closing.