二次雷达模式A询问的编码范围是（）。

The three fire-fighting agents for cabin fire-fighting purposes are （ ） .

In theory, Coriolis Force in the （ ） area has no effect on wind direction.

The alternating current frequency of the primary power supply on A/C is（ ）.

The obvious tyre temperature rise during speed reduction on landing is due to（ ）.

The most suitable fire-fighting agent in portable extinguishers on A/C is （ ） .

The color of the anti-collision lights on the aircraft is （ ） .

The execution components of FMS are （ ） .

Above the rated altitude, the valid power of propeller （ ） as flight altitude rises.

The combined installation of DME and ILS is to replace （ ） .

760 mm (HG) at mean seal level is equivalent to （ ） .