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通过对三轮、四轮角钢轧圆机应用情况的分析研究，提出能耗小、磨损正常的第三种机型──五轮角钢轧圆机。
Through the analysis of the application situation of three rounds and four rounds of angle rolling mill, a third type of machine with small energy consumption and normal wear is proposed, namely five rounds of rolling mill.