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【单选题】
关于发动机主要性能参数,下列说法错误的是()?A.
EGT(Exhaust Gas Temperature)指的是发动机的排气温度(低压涡轮后燃气总温)。
B.
N1(低速转子的转速),风扇转速N1表征推力,N1越大,推力越大。
C.
EPR (Engine Pressure Ratio)发动机压力比,指的是发动机喷管压力与压气机进口的压力之比,与推力大小近似成反比。
D.
N2指的是高速转子的转速。
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