AHG

例句：

1. 1. The AHG tank is the main source of air for the aircraft.
   AHG油箱是飞机的主要供气源。
2. 2. The pilot had to make an emergency landing due to a shortage of AHG.
   由于缺乏AHG，飞行员不得不紧急降落。
3. 3. The AHG tank was filled with gasoline before takeoff.
   起飞前，AHG油箱被加满了汽油。