在风速超过()米/秒时,前大梁收放,司机应到俯仰控制室进行操作,并密切关注前大梁拉杆的情况。
A、10
B、12
C、17
D、17.1
参考答案:B
In order to support the big family, he worked so hard that___________ he made himself ill.
A.occasionally
B.purposefully
C.normally
D.eventually
A车气路图中,A6.15.4表示的是()