282.ECB的作用是( ) The Electronic Control Box has :

　全权控制和监控APU的工作 Full authority over APU operation.

　有限控制APU的工作 Restricted authority over APU operation.

　只能监控APU的工作 Only APU monitoring function.

正确答案：A

解析：

ECB的作用是( ) The Electronic Control Box has : 答案:A 题目解析：ECB（电子控制箱）的作用是全权控制和监控APU的工作。选项A准确地描述了ECB的功能，它能够完全控制和监控APU的操作，所以选项A是正确答案。

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A330机型熟悉课程试题

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