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题目详情

单选题 An alternative system uses the _____ to engage a warning when the airplane is close to the ground and descending with the gear not down

A. ground proximity warning system

B. instrument landing system

C. global positioning system

D. engine instrument system

飞行英语阅读(混合式)课程封面

学科:飞行英语阅读(混合式)

时间:2023-12-04 02:25:25

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