scavenging valve

例句：

1. 1. 清扫阀
   scrubbing valve
2. 2.扫掠阀
   scour valve
3. 3. 回收阀
   reclaim valve
4. 1. The scavenging valve is designed to prevent air from leaking into the engine compartment during maintenance.
   清扫阀的设计是为了在维护期间防止空气泄漏到发动机舱。
5. 2. During the cleanup operation, the scavenging valve was used to remove contaminants from the system.
   清理操作中，清扫阀被用来从系统中去除污染物。
6. 3. The scavenging valve is essential for maintaining the integrity of the cooling system and preventing overheating.
   清扫阀对于保持冷却系统的完整性和防止过热至关重要。