In this paper, all the calculation formulae and the program for the grinding of Gothic arc type ball tr…
本文应用共轭曲面理论，导出了球笼式万向节形壳内滚道磨削加工的计算公式并编制了相应计算程序。
The Saertohai regional ophiolites demonstrated by discrimination diagram of trace elements and rare earth elements belong to island arc type, and are consistent with the geological background.
萨尔托海蛇绿岩由稀土和微量元素图解表明属岛弧型蛇绿岩，与地质背景一致。
The Saertohai regional ophiolites demonstrated by discrimination diagram of trace elements and rare earth elements belong to island arc type, and are consistent with the geological background.
萨尔托海蛇绿岩由稀土和微量元素图解表明属岛弧型蛇绿岩，与地质背景一致。
应用推荐