Fem simulation of roll extrusion forming process of square section tube 矩形管双道次辊挤成型过程挤压力公式的建立
2.
Research on the flow characteristics of large curvature rotating square section duct 绕任意轴旋转的方形截面大曲率弯管流动特性的研究
3.
Cylindrical helical springs made from rectangular and square section wire and bar - guide to calculation and design - torsion springs 矩形和方型线材和棒材制的圆柱形螺旋式弹簧.计算和设计指南.扭力弹簧
4.
Cylindrical helical springs made from rectangular and square section wire and bar - guide to calculation and design - compression springs 矩形和方型线材和棒材制的圆柱形螺旋式弹簧.计算和设计指南.压缩弹簧
