二氧化碳灭火系统防护区泄压口的高度应大于防护区净高的()。
A、1/3
B、1/2
C、2/3
D、3/4
参考答案:C
水上迫降成功后,原则上最后撤离飞机的救生船应该是()。
A.L1门救生船
B.承载特殊乘客的救生船
C.R1门救生船
D.客舱后部的救生船
Perhaps he is not quite fit for the job, but , please let him have a try. [ ]
A. in fact
B. anyway
C. so
D. otherwise