Long rails in jointless track are usually made on welded rail site or in railway welded rail factory.
Long rails in jointless track are usually made on welded rail site or in railway welded rail factory.
摘要无缝线路长钢轨道常由铁路焊轨厂或现场焊轨基地焊接。
Long rails in jointless track are usually made on welded rail site or in railway welded rail factory.
摘要无缝线路长钢轨道常由铁路焊轨厂或现场焊轨基地焊接。