continuous welded track

• 无缝线路

continuous welded track的用法和样例：

例句

1. Welded turnout is one of the key techniques of CWR track.
   无缝道岔是跨区间无缝线路的关键技术之一。
2. Welded rail tunnels used mobile CWR rail contact welding method for China's domestic initiative.
   隧道内焊轨采用移动式无缝线路钢轨接触焊施工方法，为中国国内首创。