An obstruction on a helodeck is any object that might present a hazard to the（）. -题库考试答案搜索网

An obstruction on a helodeck is any object that might present a hazard to the（）.

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2022-02-24 18:31

A、rotor blades and landing gear
B、unloading of passengers
C、loading of cargo
D、pilot's visibility

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正确答案

A

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