Upon application of brakes, system A pressure is applied through the alternate antiskid valves and shuttle valves to the brakes.The above sentence means“当停止刹车装置时，A液压系统压力便可通过备用防拖胎活门和往复活门进人刹车装置。”
A.1
正确答案是B
Upon application of brakes, system A pressure is applied through the alternate antiskid valves and shuttle valves to the brakes.The above sentence means“当停止刹车装置时，A液压系统压力便可通过备用防拖胎活门和往复活门进人刹车装置。”
A.1
正确答案是B