相关题目
The four forces acting on an A/C will be in equilibrium when the aircraft is in （ ） level flight.
What affects indicated stall speed?
When the pilot pushes the control wheel forward, the elevators move （ ） and the nose of the aircraft moves （ ） ．
When pilots （ ） back on the wheel, the nose of the aircraft moves up.
（ ） is the main source of lift.
The wing of the airplane is shaped to take advantage of （ ） ．
The basic principle of pressure differential, also known as （ ） , says “as the velocity of a fluid (air) increases, its internal pressure decreases”.
Currently, （ ） is installed on large and medium-sized transport aircraft for pilots’ own navigation.
（ ） is the upward force created by the effect of airflow as it passes over and under the wings.
（ ） does not rely on line-of-sight transmissions.
