valve actuating rocker

例句：

1. 1. The valve actuating rocker is responsible for controlling the flow of oil through the engine.
   阀门致动器摇杆负责控制油通过发动机的流动。
2. 2. In this model, the valve actuating rocker is designed to improve fuel efficiency.
   在这个模型中，阀门致动器摇杆被设计来提高燃油效率。
3. 3. The valve actuating rocker is a critical component in the engine's operation.
   阀门致动器摇杆是引擎运行的关键部件。