相关题目
Movement of the center of gravity is proportional to the loads on the wings.
Prompt extinguishment is required if fuel leaks.
Display a warning notice on the panel prohibiting the operation of the controls.
If the fuel leak originates at the valve, replace the valve seals.
Clean the opaque plastic surfaces.
Stay away from surfaces that move.
A red mark on the pin identifies the lubrication point.
Inflate the tire with nitrogen to the specified pressure.
Make sure that there is an equal distance between the holes.
Some models have this function, but some do not.
