B种飞行阶段对飞行品质的要求最低。 Category B has the lowest requirement on flying quality.

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B种飞行阶段对飞行品质的要求最低。 Category B has the lowest requirement on flying quality.

B种飞行阶段对飞行品质的要求最低。 Category B has the lowest requirement on flying quality.

热搜:飞行高度的测量可以采用什么方法