APU启动马达工作3个循环后,准备另外3个循环前须等待()A、45分钟 B、60分钟

题型:单项选择题

问题:

APU启动马达工作3个循环后,准备另外3个循环前须等待()

A、45分钟

B、60分钟

C、90分钟

考点:民用航空器维修执照考试APUAPU题库
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A.private protected

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题型:单项选择题

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