For airplanes having a seating capacity of more than 44 passengers, it must be shown by actual demonstration that the maximum seating capacity, including the required number of crew members, can be evacuated from the airplane to the ground in :
发布于 2021-02-09 13:29:46
【单选题】
A 60 seconds
B 90 seconds
C 132 seconds
D 120 seconds
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