单词rail gauge
un.: 铁路轨距
网络: 铁路轨矩；釜内轨距；安装导轨量具
铁路轨距
Their legacy is still evident in the Kazakh rail system, which conforms to the Russian rail gauge instead of the Chinese gauge.
他们遗留的影响在哈萨克铁路系统仍然十分明显：该国铁路采用俄罗斯（而非中国）的轨距标准。
Research on Rail Gauge Changing Technology of Rolling Stock Wheelsets
铁道车辆轮对变轨距技术研究
The Variable Rail Gauge System Developed in Poland
波兰开发可变轨距系统