neutral flow plane

例句：

1. 1.The aircraft's neutral flow plane isdesigned to reduce drag during takeoff andlanding.
   飞机的中性流面设计旨在减少起飞和降落时的阻力。
2. 2. The engineer useda neutral flow plane to create a smoother flow of water through the pipes.
   工程师使用中性流面来创造水流通过管道的更平滑流动。
3. 3. The researchteam developed a new neutralflow plane that could significantly improveenergy efficiency.
   研究团队开发了一种新的中性流面，可以显著提高能源效率。