Takeoff is the phase of flight in which an aircraft goes through a _____ from moving along the ground (taxiing) to flying in the air, usually starting on a runway.
举一反三
- Departing aircraft is allowed to commence takeoff when _________ A: The preceding departing aircraft has started a turn B: The preceding landing aircraft has vacated the runway C: The preceding departing aircrast has commenced takeoff roll D: The preceding departing aircraft has crossed departure end of the runway.
- The landing gear, or undercarriage, supports the airplane when it is ________ on the ground or in water and during the takeoff and landing. A: flying B: steering C: taxiing D: resting
- 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.
- All the flight instruments operate on air taken from outside of the aircraft during flight.
- In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve? A.Noise coming from that air starting valve B.Continuous operation of the starting air compressor C.Zero air pressure in the air starting system D.Overheated starting air pipe to the cylinder head