medium speed V-engine

例句：

1. 1.The new car has a medium-speedV-engine that delivers great performance.
   这款新车配备了一个中等速度的V型引擎，性能卓越。
2. 2. The engineers atthe factory are working on a medium-speed V-engine to improve efficiency.
   工厂里的工程师们正在研究一款中等速度的V型引擎，以提高效率。
3. 3. Thecar's V-engine is designedto operate at medium speeds for optimalfuel efficiency.
   这款车的V型引擎设计用于在中等速度下运行，以实现最佳的燃油效率。