.铁路专业词汇一、铁路；铁道railway railroad 铁路线 railway line； railroad line 铁路网 railway network； railroad network 铁道科学 railway science 铁路技术 railway technology 铁路等级 railway classification 国有铁路 national railway； state railway 地方铁路 local railway； regional railway 私有铁路 private railway 合资铁路 joint investment railway； jointly owned railway 标准轨铁路 standard-gage railway 窄轨铁路 narrow-gage railway 米轨铁路 meter-gage railway 宽轨铁路 broad-gage railway 单线铁路 single track railway 双线铁路 double tra
