答案:50
答案:50
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. 积状云
B. 层状云
C. 任何种云或干雪
A. XFR
B. NAV
C. TURB
D. HDG
A. 30 分钟
B. 45 分钟
C. 1 小时
A. 在不同页面输入特定数据 to access specific data on different pages
B. 显示与选择的数据相关的特定信息 show specific information related to the selected data
C. 显示用字母数字键输入的信息 displays information entered by the alphanumeric keys
D. 清除上次输入的字符 clears the last character entered
A. 在 APU 舱内探测到火警或超温。Fire or overheat detected in APU enclosure.
B. APU 转速超过 106%。 APU RPM >106%.
C. APU 排气温度超过自动停车限制值。APU EGT over temperature shutdown limit exceeded.
A. 座舱高度保持方式 CABIN ALT hold mode
B. 等压保持方式isobaric hold mode
C. 完全关闭 fully close
D. 完全打开 fully open
A. 在引导车引导下滑行
B. 用慢车速度滑行
C. 打开手提探照灯滑行