论文部分内容阅读
(总第二十期～总第二十二期)第1期空拉管壁厚计算……………………………………………”周宜森(1)非线性边界元及其在采矿中的应用注解…………………一t黔元(22)钢铁件直接酸性镀铜的机理探讨…………………………..何志邦(28)机械式齿条起道机减小操作力的优化设计 …………
(Total Twentieth ~ Total Twenty-two) No. 1 hollow tube wall thickness calculation ................................................... "Zhou Yisen (1) Nonlinear boundary element and Its application in mining Notes ..................... t t Guizhou yuan (22) the mechanism of direct acid copper plating ................................ He Zhibang (28) mechanical rack Starting machine to reduce the optimal design of the operating force ............