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。

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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。

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Research on method of assistant decision on Management Information System for continuously welded rail of across section;

该平台对于船货信息的可视化、实时动态管理和辅助决策分析等具有现实意义。

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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