air-braking

例句：

1. 1. The train's air-braking system is designed to prevent accidents.
   火车的防撞系统旨在防止事故。
2. 2. The pilot used the air-braking system to slow down the plane.
   飞行员使用防撞系统使飞机减速。
3. 3. Air-braking systems are essential for maintaining safe distance from other vehicles.
   空气制动系统对于与其他车辆保持安全距离至关重要。