gulp valve

例句：

1. 1.The gulp valve is designed to prevent air from entering the engine during idle conditions.
   呼吸阀的设计是为了在怠速情况下防止空气进入发动机。
2. 2. The engineers carefully inspected the gulp valve to ensure it was functioning properly.
   工程师们仔细检查了呼吸阀，以确保它正常工作。
3. 3.During the maintenance, the technician replaced the worn gulp valve with a new one.
   维护期间，技术人员用一个新的磨损的呼吸阀替换了旧的。