The coil,or helical,spring consists of a wire or rod wound into a helix and is primarily intended for axial direct compression or tension loads. 卷簧,或者说螺旋形弹簧包括一条盘成螺旋形的金属丝盘条,它起初是用于轴向直接压力和拉伸。
Large span double box-beam rod structure is born out of BSS. 大跨度双箱梁钢棒拉杆组合钢结构即脱胎于张弦梁结构。
Study on the Footwall Slope Stability in the Open-pit of Bangmoshan Iron Mine, Tangshan Iron and Steel Co. 唐钢棒磨山铁矿露天采场下盘边坡稳定性研究。