A种 B种及C种飞行阶段中 对飞行品质要求最高的是哪个阶段? Which category of flight phases has
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A种、B种及C种飞行阶段中,对飞行品质要求最高的是哪个阶段? Which category of flight phases has the highest flying quality requirement?
A.A种 Category A
B.B种 Category B
C.C种 Category C
D.N/A

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A种
