【单选题】
关于PW4170发动机推力管理模式叙述正确的是：___
A. EPR模式是主要模式
B. N1模式是备用模式
C. 反推力时只有N1模式
D. 以上都正确
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答案
D
解析
暂无解析
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下列关于PW4170发动机主电门叙述错误的是：___
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在ECAM 上会显示那些与发动机燃油系统有关的数据？___
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