答案:A
答案:A
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. 当横滚脱开手柄被拉出时。 When the Roll Disconnect handle has been pulled
B. 当弹簧电门发出一个信号。When a signal is sent from the Bungee Breakout Switch
C. 当SECU探测到系统故障。When an SECU has detected a system malfunction
D. 当横滚控制输入模块已失效。When a Roll Control Input Module has failed
A. 不稳定
B. 稳定
C. 积冰
A. 低能见度和平稳气流;
B. 积状云和阵性降水;
C. 层状云和连续性降水
A. 45 海里/小时
B. 80 海里/小时
C. 90 海里/小时
A. GPWS语音告警 GPWS voice alerts
B. TCAS语音告警 TCAS voice alerts
C. 高音响告警度Altitude aural alerts
D. 以上全部All of the above