机械工程学专业词汇英语翻译(O) ... outward d normal 外向法线 oval cross section 卵形截面 overall l efficiency 总效率 ...
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oval cross-section 蛋形截面
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。
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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