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。

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The strength calculation of ring-stiffened cylindrical shell of oval cross section under uniformly-distributed external pressure is a complicated problem in mechanics.

均布外压下带肋椭元柱壳的强度计算是一个比较复杂的力学课题。

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The forming recesses (1, 3) of a lower die (2) and an upper die (4) are formed to have a semi-oval profile so as to provide a forming space S almost oval in section with the dies closed.

下模具（2）和上模具（4）的成型凹部（1、3）形成为具有半椭圆形 轮廓以当模具闭合时提供大体椭圆形横截面的成型空间（S）。

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Backed by a large and highly vocal section of The Oval crowd, Gayle's men emerged from the pavilion with a spring in their step and, despite losing the toss, they made a fine start.

BBC: Rampant Windies overpower Aussies