题海让大学四年没有难题
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题目详情

单选题 Warning light and _____operate when any of the landing gear is not locked down and any of the engine throttles are retarded below a cruise power setting

A. sensor

B. loudspeaker

C. monitor

D. horn

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:2025-12-26 23:36:12

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