题目内容
词汇与结构The system is operational when autopilot is not engaged, stabilizer is not trimming, and control column displacement switches are not ________.
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词汇与结构The monitoring automatically selects the ________ channel when a single channel failure occurs.
词汇与结构A mode selector panel controls autopilot/flight ________ systems and the autothrottle system.
词汇与结构An ________ accessory unit and automatic stabilizer trim servo are also installed as well as elevator spoiler, flap position, and stabilizer position sensors.
词汇与结构________ pitch and/or roll bars are biased out of view and/or the flight director flag (or computer flag) is biased into view as an indication of certain flight director malfunctions.
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