po1ygon wind tunnel

例句：

1. 1. The polygon wind tunnel is used to test theperformance of aircraft engines.
   多面体风洞用于测试飞机发动机的性能。
2. 2. The polygon wind tunnel is a crucial component inthe development of new materials.
   多面体风洞是新材料开发中不可或缺的一部分。
3. 3.The polygon wind tunnel has been widelyused in aerodynamics research.
   多面体风洞在空气动力学研究中得到了广泛应用。