stiefel
- 网络施蒂费尔;斯蒂费尔;靴子
stiefel
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Stiefel mannesmann type piercing mill automatic card programmed rolling
穿孔带程序控制自动轧机
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The quotient spaces of complex stiefel manifolds
复Stiefel流形的商空间
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Total stiefel whitney class
全斯蒂费尔惠特尼类
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Stiefel mannesmann type piercing mill
斯蒂弗尔曼内斯曼型穿孔轧机
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The book gives a brief introduction to the 100 years ' seamless steel production history ( 1855 ~ 1951 ) and especially describes the invention of cross-rolling piercing mill and pilger mitl by Mannesmann brothers and the findings of conical roll and barrel roll piercing mills by Stiefel .
简要介绍了近百年(1855~1951年)来无缝钢管发展历史。特别介绍了曼内斯曼兄弟对斜轧穿孔机和周期式轧管机的发明过程以及斯蒂费尔对锥形辊和菌式辊穿孔机的发现过程。