该产品是PVC、橡胶、金属管材的最佳替代产品。
This product is PVC, rubber, metal pipes of the best alternative.
一种端部加厚钢管的矫直方法，涉及冶金工业中金属管材的加工技术领 域。
The invention relates to a method for straightening steel tubes with thickened end parts, and relates to the technical field of metal tube material processing in the metallurgy industry.
该电算程序具有运算速度快、结果准确等优点，适合于冷轧钢管和有色金属管材生产。
The computer program which insures fast and accurate computation is applicable to production of cold-rolled steel tubes and non-ferrous metalic tubular products.
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