exhaust-valve lifter

例句：

1. 1.The exhaust-valve lifter is designed to improve the efficiency of the engine's exhaust system.
   排气阀提升器的设计目的是提高发动机排气系统的工作效率。
2. 2.The exhaust-valve lifter was installed in the car to prevent carbon monoxide from entering the cabin.
   在汽车中安装排气阀提升器以防止一氧化碳进入车厢。
3. 3.The exhaust-valve lifter helps to direct the exhaust gases out of the engine, reducing backdraft and improving performance.
   排气阀提升器有助于将废气从发动机中排出，减少回火并提高性能。