相关题目
“GPU” is “Ground Power （ ） ”.
“Tug” carries the aircraft’s （ ） on its platform for aircraft maneuvering when the aircraft engines inoperative.
“Mobile belt conveyors” is a vehicle which can lift （ ） up to aircraft, and be raised at both ends.
Airport elevation is measured at the （ ） usable landing surface on the airport.
（ ） enables traffic to move to and from runways without interfering with aircraft taking off or landing.
The basic markings on runways used for VFR operations consist of runway direction numbers and （ ） markings.
The hotter the climate and the higher the airfield above sea level, the （ ） the runways have to be.
The preferred navigation equipment in ADS technology is（ ）.
The magnetic compass indicates the （ ） in which an aircraft is flying with respect to the magnetic north pole.
The operation frequency for SSR is in （ ）wave band.
