Spiral type steel bar hoop made by spiral steel bar hoop machine controlled by microcomputer can increase the antivibration property of building.
微机控制螺旋钢箍机所加工成型的螺旋型钢箍，能够提高建筑物的抗震性能。
2
Based on netting theory, linear equations for the single spiral, spiral and hoop filament wound toroidal pressure vessel were obtained.
基于网络理论，得到了纤维单螺旋、螺旋加环向均衡型缠绕圆环压力容器的线型方程。
3
According to the maximum stress strength criterion, the burst pressure formula for the single spiral and the spiral with hoop filament-wound toroidal pressure vessel were obtained.