Therefore , it is very important to research on - line quality diagnosis technique in rail flash butt welding process systematically 因此,系统开展钢轨闪光焊质量在线诊断技术研究十分重要。
Abstract : there are four phases and dozens of parameters in preheating flash butt welding technology used for great section workpiece ' s welding 文摘:用于焊接大截面工件的预热闪光焊工艺包括四个阶段。