一、概述 用冷拔低碳钢丝生产中小型预应力混凝土构件,江浙地区总结出较成熟的生产工艺和机具设备。几年来,许多省市大量推广,收到显著效果。在大量推广中,出现了钢材 I. Overview With the production of small and medium-sized prestressed concrete components with cold-drawn low-carbon steel wire, Jiangsu and Zhejiang regions have concluded more mature production processes and equipment. Over the past few years, many provinces and cities have promoted a lot and received significant results. In a large number of promotions, there have been steel