A、 对流很强
B、 气层很稳定
C、 空中有逆温层,其下有对流发展
答案:C
A、 对流很强
B、 气层很稳定
C、 空中有逆温层,其下有对流发展
答案:C
A. 150,50
B. 200,50
C. 200,75
A. 冷锋
B. 高空槽
C. 高空急流
A. 170kts
B. 230kts
C. 220kts
D. 185kts
A. 意味着N1或者N2转速超过了红区4秒以上Indicates that N1 or N2 has exceeded redline for more than four seconds.
B. 意味着相对应的发动机失效,FADEC系统无法成功重新起动对应的发动机,并且油门杆没有在关断位Indicates flameout of respective engine, FADEC was not successful with re−light and thrust lever not at shut−off.
C. 意味着对应的油门杆失效,FADEC将会继续保持最后一次的推力设定直到进近Indicates failure of respective thrust lever. FADEC will maintain last power level setting until approach.
D. 意味着相对应的操作引气活门无法关闭Indicates that respective operability bleed valve has failed closed.
A. 反推操作和防冰thrust reverse operation and anti-icing
B. 发动机起动和防冰 engine starting and anti-icing
C. 地面减升和发动机起动 ground lift dumping and engine starting
D. 应急起落架放出和发动机起动 emergency gear extension and engine starting
A. 2068psi
B. 2680psi
C. 2900psi
D. 3000psi
A. 20
B. 30
C. 40
A. 空气密度和气温 air density and temperature
B. 侧风crosswind
C. 机场标高和跑道表面情况 airport elevation and runway surface condition
D. 以上全部above all