在扑救地铁火灾时,应根据灭火战斗的需要,将着火车辆迅速转移到()。
A、地下车站
B、区间隧道内
C、地面停车站
D、隧道出口
参考答案:C
When asked about his result of the driving test, David said with a big smile that he
had .
A.got through
B.got up
C.got on
D.got out
灰水流过直线渠道时一般不会受到流动阻力。