A、 通过来自空气循环器的冲压空气冷却 ram air from the air cycle machine
B、 专门的冷却风扇dedicated cooling fan
C、 通过来自冲压空气进气口的冲压空气ram air from the ram air scoop
D、 从客舱来的循环空气recirculated air from the cabin
答案:C
A、 通过来自空气循环器的冲压空气冷却 ram air from the air cycle machine
B、 专门的冷却风扇dedicated cooling fan
C、 通过来自冲压空气进气口的冲压空气ram air from the ram air scoop
D、 从客舱来的循环空气recirculated air from the cabin
答案:C
A. 80
B. 110
C. 400
A. 卷状云,厚度不大,无乱流;
B. 积状云,垂直发展旺盛,有大雨;
C. 层状云,有轻度乱流或无乱流
A. 外流活门关闭、地面活门打开 the outflow valve closed、ground valve open
B. 外流活门打开、地面活门打开 the outflow valve open、ground valve open
C. 外流活门打开、地面活门关闭 the outflow valve open、ground valve closed
D. 外流活门关闭、地面活门关闭 the outflow valve closed、ground valve closed
A. 3000
B. 6000
C. 7200
A. 垂直指向运动的右方
B. 垂直指向运动的左方;
C. 在自由大气中与等压线的方向一致
A. 0.35
B. 0.4
C. 45%
D. 0.5
A. 200
B. 210
C. 220
D. 230
A. 动力乱流
B. 热力乱流
C. 晴空乱流