• 2021-04-14
    词汇与结构
    The secondary flight controls, high lift devices _________ of trailing edge flaps and leading edge flaps and slats, are powered by hydraulic system B.
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    内容

    • 0

      In the traffic pattern, the pilots must operate the flapup airplane in a relatively nose-high attitude compared to flight with flaps extended.

    • 1

      All ground spoilers are powered by hydraulic system _____ through a control valve and a bypass valve.

    • 2

      词汇与结构 The roll control surfaces consist of hydraulically powered ailerons and flight spoilers which are controlled by _________ either control wheel.

    • 3

      词汇与结构A basic hydraulic system consists of several ________. A: components B: organs C: parts D: functions

    • 4

      词汇与结构 The complexity and weight of mechanical flight control systems increase considerably with the size and performance of the aircraft. Hydraulic power _________ these limitations.