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单选题
反推用来改变排气方向以实现反向推力。
A
A.Use backthrust to change the direction of the exhaust to achieve contrary thrust.
B
B.Thrust reverser is used to change the direction of the exhaust gases for reverse thrust.
C
C.To change the direction of the exhaust nozzle, the thrust reverser is used to obtain the opposite thrust.
答案解析
正确答案：B
相关知识点：
反推改变排气向
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