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民用航空器维修人员执照英语参考试题(核对版)
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单选题

When the control handle is placed in the DN position, the gear doors open, the gear unlocks and extends and the gear doors close.

A
当控制手柄到DN位时,齿轮箱壳体会打开,齿轮松开并退出,壳体关闭。
B
当控制手柄处于DN位置时,起落架舱门会打开,起落架解锁并伸出,然后舱门关闭。
C
将控制手柄推到DN位置时,货舱门将打开,传动装置解锁可用,收回后则关闭。

答案解析

正确答案:B

相关知识点:

手柄DN位起落架动作记

民用航空器维修人员执照英语参考试题(核对版)

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