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简述了冷拔螺旋钢筋的各项机械性能及力学性能指标，同时给出预应力冷板螺旋钢筋空心板的试验结果，另外还分析了开发冷拔螺旋钢筋的生产技术及经济效益。
The mechanical properties and mechanical properties of cold-drawn spiral steel bars are briefly described. The test results of pre-stressed cold-plate spiral reinforced concrete hollow slabs are also given. The production technology and economic benefits of developing cold-drawn spiral steel bars are also analyzed.