闪光对接焊 meaning in English

flash butt welding
flash butt-welding

Railtech international is the world leader in manufacturing a wide range of railtrack products such as track maintenance equipment ， conductor rails ， insulators ， rigid catenary systems , fasteners , ballastless track … our staple products being rail welding with the alumino thermic ( at ) method or electric flash butt welding
拉伊台克国际有限公司是一家制造多种铁道产品的专业化公司，产品包括铁路养护设备、导电轨、绝缘子、刚性接触网系统、扣件、无渣道床、等等… ，其中的主导产品是钢轨铝热焊及闪光对接焊产品。