When installed, the high-pole lamp is automatically hung in a hook-shaped trough of the hanging hook after raising to the position of the automatic hanging and unloadinggear;
安装灯具时，灯具上升到自动挂钩 卸荷装置的位置后自动挂到吊钩的钩形槽里；
2
Furthermore, the tricycle gear allows for a level cabin area - this makes loading and unloading the aircraft much easier than with an inclined cabin.
此外，三轮车齿轮允许的水平舱区-这使得飞机装卸容易得多机舱比倾斜。
3
Fuel pump (unloading pump, high viscosity pump, asphalt pump) gear wear and tear parts mainly is the tooth meshing, involute face and gear ends plane.