blower drain valve

例句：

1. 1. The blower drain valveis essential for maintaining the proper functioningof the exhaust system.
   排气阀对于保持排气系统正常工作至关重要。
2. 2. The technicians replaced theblower drain valve to ensure that theengine ran smoothly.
   技术人员更换了排气阀，以确保发动机运行顺畅。
3. 3. The blower drain valve was designedto prevent water from entering theengine during operation.
   排气阀的设计目的是在操作过程中防止水分进入发动机。