本文从寒冷地区无缝线路铺设前的线路整修、铺设初期的整修、线路养护维修、无缝道岔养护维修、故障处理、技术管理和培训、常备器具、材料等方面对寒冷地区无缝线路的养护和维修工作进行了论述,明确了维修工作的重点及方法。 This article from the cold area before the laying of seamless lines line repair, laying the initial renovation, line maintenance, seamless turnout maintenance and repair, fault handling, technical management and training, equipment, materials and other aspects of the cold region in the seamless line Of the maintenance and repair work was discussed, the focus of clear maintenance work and methods.