标 准 编 号:BS EN 13906-2-2001简体中文标题:由圆形金属丝和棒材制成园柱形螺旋弹簧.计算和设计.拉伸弹簧繁体中文标题:由圆形金属丝和棒材制成园柱形螺旋弹簧.计算和设计.拉伸弹簧English Name:Cylindrical helical springs made from round wire and bar - Calculation and design - Extension springs