throttle box

例句：

1. 1. The car's engine is running smoothly because the throttle box has been adjusted correctly.
   汽车的引擎运行平稳，因为油门盒调整得当。
2. 2.The mechanic replaced the throttle box in the car to fix the issue.
   技师更换了汽车的油门盒以解决问题。
3. 3.The engineer checked the throttle box before starting the engine to ensure it was functioning properly.
   工程师在启动引擎前检查了油门盒以确保其正常工作。