This is a narrow-gauge railway.
这是一条窄轨铁路。
Content: the shijiazhuang-taiyuan line is the first state-owned narrow-gauge railway in China.
正太铁路是中国第一条国有窄轨铁路。
Railway operators have been making efforts to improve energy consumption in the operation of Shinkansen and narrow-gauge trains.
铁路运营部门正尽力改善新干线和窄轨列车的运行能耗。
Railway operators have been making efforts to improve energy consumption in the operation of Shinkansen and narrow-gauge trains.
铁路运营部门正尽力改善新干线和窄轨列车的运行能耗。
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