Tilt of the cylinder was cut off to form oval-shaped cross-section, in the building to see the scenery will also appear a variety of contours.
倾斜的被切断的圆筒形成椭圆形的断面，在建筑中看到的风景也会出现各种各样的轮廓。
2
The heat transfer enhancement and pressure drop of spiral tube with oval cross section and thick wall were investigated.
对椭圆断面厚壁螺旋管进行了强化传热和流体阻力实验研究。
3
The strength calculation of ring-stiffened cylindrical shell of oval cross section under uniformly-distributed external pressure is a complicated problem in mechanics.