The kind of changing freedom one-way drive device-swing cylinder type overpass clutch is proposed in this paper.
本文提出一种变自由度单向传动装置-摆动滚柱式超越离合器。
In particular, the device can help prevent or reduce the damage and injury to the automobile or the driver caused by criminals throwing objects from the overpass.
特别是能帮助汽车夜行高速公路时，防止或减轻歹徒从天桥上抛物袭击对车辆和驾乘人员的伤害。
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