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本文分析了钢轨焊接接头经常出现的轨底三角区晶粒粗大问题的形成原因,并根据此缺陷形成原理,提出了科学有效的解决方案。
In this paper, the causes of the frequent grain coarsening in the rail triangle are analyzed, and a scientific and effective solution is proposed based on the principle of defect formation.