辅助附件底盘液压系统
auxiliary attachment carriage hydraulics
变速箱内部零件架
transmission internal parts rack
车辆和零部件认证科
Vehicle and Component Approvals Division
车辆和零部件认证科长
Director of the Vehicle and Component Approvals Division
车辆零部件
parts and components of railway car
vehicle components
vehicle component
车载零部件
vehicle component
onboard electronic sub-assembly