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从八十年代开始,预应力钢绞线在我国得到了推广使用,生产厂产量逐年上升,从几千吨升到几万吨的生产能力,而且也开始批量生产低松驰级的钢绞线。今年我公司预汁可生产一万吨高强度的低松弛预应力钢绞线,主要按
Since the 1980s, prestressed steel strand has been widely used in our country. The output of the production plant has been increasing year by year, from a few thousand tons to tens of thousands of tons of capacity, but also began to mass produce low-relaxation grade strand . This year my company forecast to produce 10,000 tons of high-strength low-relaxation prestressing strand, mainly by