标题: BS EN 14587-2-2009 Railway applications — Track — Flash butt welding of rail [打印本页] 作者: liuxilin1215 时间: 2017-3-6 15:45:56 标题: BS EN 14587-2-2009 Railway applications — Track — Flash butt welding of rail
BS EN 14587-2-2009 Railway applications — Track — Flash butt welding of rails Part 2: New R220, R260, R260Mn and R350HT grade rails by mobile welding machines at sites other than a fixed plant