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单选题 词汇与结构Loss of life and destruction of valuable equipment may result because of ______ stresses placed upon the structure of an improperly loaded aircraft

A. normal

B. abnormal

C. formal

D. informal

飞行英语阅读(混合式)课程封面

学科:飞行英语阅读(混合式)

时间:2023-11-26 09:57:27

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