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单选题
飞行操纵系统信息显示在 EICAS 主页和状态页上。＇YAW DAMPER＇ 警戒信息指示：The flight controls system messages are shown on the EICAS primary and status pages. ＇YAW DAMPER＇ Caution message indicates:
A
自动推杆器失效或故障或失速保护计算机的一个通道故障或 AOA 传感器故障。Pusher deactivated or failed or one channel of the stall protection computer failed or AOA sensor failed.
B
俯仰感力系统故障。Failure of the pitch feel system.
C
方向舵行程限制器(RTL)功能缺失。Loss of rudder travel limiter (RTL) function.
D
两个偏航阻尼器都关断或故障。Both yaw dampers are off or failed.
答案解析
正确答案：D
