adj. narrow-gauge
在南面，他们正在铺设宽轨的铁道儿代替原先的窄轨的铁道。
In the south they are putting in a wide-gauge track to replace the old narrow-gauge lines.
输入窄轨地铁的宽度。标准地铁和宽轨地铁是该数字的倍数。
Enter the width of the Thin Metro. Standard and Thick are multiples of this number.
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.
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