词汇与结构The PMC uses MEC power lever angle, N1 speed, and inlet temperature and pressure to ________, or trim, the MEC to obtain the desired N1 speed.
举一反三
- PMC是如何控制N1的（） A: PMC通过电动活门直接控制的N1 B: PMC通过改变N1的负载控制的N1 C: PMC通过低压级放气活门控制的N1 D: PMC通过MEC间接控制的N1
- 设n=n1n2，(n1，n2)=1，n1≥1，n2≥1，则φ(n)=φ(n1)φ(n2).若n=n1n2，n1≥1，n2≥1，则φ(n)=φ(n1)φ(n2)?
- The PMC ( ). A: Has no effect at low idle speed B: Is powered by the aircraft C: Can cause a reduction in engine speed only D: Is equipped with the power trim adjustment
- PW306B发动机风扇的转速由什么表示？ A: N1 B: N2 C: N D: SPEED
- Which speed signals of CFM56-3 engine does AVM system need? ( ) A: N1 B: AVM system doesn’t need speed signals C: N1 and N2 D: N2