答案:B
答案:B
A. 当风速大于 35KT 时
B. 在逆温层附近或靠近雷暴时
C. 在中低空飞行时
A. 系统3使用热交换器而机翼油箱内的燃油用于冷却系统1和2的液压管路。System 3 uses a heat exchanger and the fuel in the wing tanks cools system 1 and 2 hydraulic pressure lines.
B. 系统1和2使用热交换器而系统3不需要冷却。System 1 and 2 use a heat exchanger and system 3 has no special provision for cooling.
C. 系统3使用热交换器而系统1和2不需要冷却。System 3 uses heat exchangers and system 1 and 2 do not require cooling.
D. 系统1和2靠流经回流线的冲压空气冷却而系统3不需要冷却。System 1 and 2 are cooled by ram air flowing across the return lines and system 3 has no provision for cooling.
A. 机场公布高度
B. 600
C. 300
A. 低于 lower
B. 高于 higher
A. 源选择面板 source selector panel
B. EICAS控制面板 EICAS control panel
C. 显示控制面板 display control panel
D. 显示转换面板 display reversionary panel
A. 着陆时下沉率过大。An excessive sink rate is encountered on landing
B. 飞机低于下滑道2个点。The aircraft is 2 dots below the glideslope
C. 在刚起飞后或复飞过程中,飞机掉高度。Aircraft altitude decreases immediately after takeoff or during a missed approach
D. 进近时起落架放下和襟翼收上。On approach with the gear down and flaps up
A. 油门杆慢车Thrust lever Idle.
B. 油门杆关断 Thrust lever shut off.
C. 油门杆确认并慢车 Thrust lever confirm and idle.
D. 油门杆确认并关断 Thrust lever confirm and Shut off.
A. 逆温层是稳定气层,等温层是不稳定的气层
B. 逆温层和等温层都是稳定气层,它们都能阻挡对流的发展
C. 等温层各处气温相等,逆温层就是平流层
A. 1500
B. 500
C. 1000
A. 0.1 psi
B. 0.2 psi
C. 1 psi
D. 0.3 psi