Long rails in jointless track are usually made on welded rail site or in railway welded rail factory.

无缝线路长钢轨通常由铁路焊轨厂或现场焊轨基地焊接。

youdao

Research purposes: To solve the problems on designing continuous welded rail on bridge in the small radius curve section.

研究目的：解决小半径曲线地段桥上无缝线路设计的难题。

youdao

Grey spot has become the most conspicuous defect in resistance welding joint of the structure of continuous welded rail track.

灰斑已成为无缝线路钢轨结构接触焊接头最突出的缺陷。

youdao

In track inspections in the months that followed, employees said the replacement rail should be welded into place, not bolted, he said.

WSJ: Probe of Metro-North Derailment in Connecticut Focuses on Rail