ideal exhaust velocity

例句：

1. 1. The ideal exhaust velocity for this engine is 20 m/s.
   这台发动机的理想排气速度是20米/秒。
2. 2.The vehicle's design aims to achieve the highest possible exhaust velocity.
   车辆的设计旨在实现尽可能高的排气速度。
3. 3.The team worked hard to improve the car's efficiency, aiming for an ideal exhaust velocity of 15 m/s.
   团队努力提高汽车的效率，目标是达到理想的排气速度15米/秒。