词汇与结构
The roll control surfaces consist of hydraulically powered ailerons and flight spoilers which are controlled by _________ either control wheel.
The roll control surfaces consist of hydraulically powered ailerons and flight spoilers which are controlled by _________ either control wheel.
举一反三
- The primary flight control system uses conventional control wheel, column and pedals linked mechanically to hydraulic power control units which command the primary flight control surfaces, ailerons, elevators, and _________.
- 词汇与结构 If the ailerons or spoilers are _________, force applied to the Captain’s and the First Officer’s control wheels will identify which system, ailerons or spoilers, is usable.
- 词汇与结构 The ailerons provide roll control around the airplane’s _________ axis. The ailerons are positioned by pilots’ control wheels.
- 词汇与结构 The aircraft take advantage of aerodynamic _________ to travel through the air by means of primary and secondary flight control surfaces which are operated by flight controls in the cockpit.
- 这些操纵面是液压作动的，并且只在起飞和降落时展开或收回。 A: These control surfaces are hydraulically supplied and are only extended or retracted during take off and landing. B: These control surfaces are hydraulically moved and are only extended or retracted during take off and landing. C: These control surfaces are hydraulically powered and are only extended or retracted during take off and landing.