air hose coupler

例句：

1. 1.The air hose coupler is used to connect the air supply to the engine.
   空气软管接头用于将空气供应连接到发动机。
2. 2. The air hose coupler was designed to prevent leaks and ensure a smooth flow of air.
   空气软管接头被设计成防止泄漏并确保空气流畅流动。
3. 3.The air hose coupler was replaced after it failed during the test drive.
   在试驾过程中，空气软管接头失效后被更换。