Mckesson expiratory valve

例句：

1. 1. The Mckesson expiratory valve was designedto prevent air leaks during the exhaustprocess.
   麦克森排气阀被设计用来在排气过程中防止空气泄漏。
2. 2. The Mckesson expiratory valve is essential formaintaining proper engine performance.
   麦克森排气阀对于保持发动机性能至关重要。
3. 3. The Mckesson expiratoryvalve was a significant improvement overprevious models in terms of efficiency anddurability.
   与之前的模型相比，麦克森排气阀在效率和耐用性方面都有了显著的提升。