A device for slowing or stopping motion, as of a vehicle, especially by contact friction.
A device for slowing or stopping motion, as of a vehicle, especially by contact friction.
闸使运动减速或停止的装置，如汽车的减速装置，尤指通过接触摩擦
A device for slowing or stopping motion, as of a vehicle, especially by contact friction.
闸使运动减速或停止的装置，如汽车的减速装置，尤指通过接触摩擦