Extending the flaps to flaps 15 using ALTERNATE FLAPS takes appr
2023-12-01选择题 教员版 下
Extending the flaps to flaps 15 using ALTERNATE FLAPS takes approximately _______
A.A.30 seconds
B.B.1 minute
C.C.2 minutes
D.D.4 minutes
正确答案是C
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