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The influence of welding parameters of butt joints, made by three processes (MMA, MAG and T.I.M.E), on their geometric c......
介绍了在外控式成型器上采用低结构应力成型法生产螺旋焊管的机理,即在外控式成型器上采用预弯与定径对中装置,通过三辊弯板过量变......
通过正交试验确定了影响钢板淬火侧弯的主要因素,从应力产生角度探讨了侧弯的形成机理,并根据分析结果提出了解决措施。......