aluminothermic welding meaning in Chinese

铝热焊
铸焊

With an introduction of the influences of the final quality of rail aluminothermic welding , such as : the quality of welding kits ( esp . the portion ) , the result of pre - heating , the welding operation and the level of operators etc . , this paper analyzes some problems when rail welding under special conditions
摘要介绍了焊接材料质量、预热效果、操作人员水平等因素对钢轨铝热焊接接头质量的影响，以及几何误差不同、轨头宽度不等、寒冷气候等特殊条件下进行铝热焊接应注意的问题。