438.利用热膨胀作功降温的部件是( )Using thermal expansion work cooling component is( )

　初级热交换器The primary heat exchanger

　次级热交换器the main heat exchanger

　ACM

正确答案：C

解析：

题目解析在这个问题中，要找到一个利用热膨胀作功进行降温的部件。ACM（空气循环机组）在这方面发挥了作用，通过压气机的工作来提供冷却效果，因此正确答案是选项 C，即“ACM”。初级热交换器和次级热交换器则通常用于热管理，而不是通过热膨胀来进行降温。

题目纠错

A330机型熟悉课程试题

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