All new airliners must undergo climatic testing to ensure that systems work in all the temperature ranges the aircraft is expected to experience.

全部新型的客机都必须经过气候测试，以确保系统在飞机预计经历的所有工作温度范围内正常工作。

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All new airliners must undergo climatic testing to ensure that systems work in all the temperature ranges the aircraft is expected to experience.

全部新型的客机都必须经过气候测试，以确保系统在飞机预计经历的所有工作温度范围内正常工作。

youdao