Then by narrow gauge railroad into the Assam Valley to Chabua and fly over the Hump to Kunming.

然后坐小火车到阿萨姆邦的贾布尔基地，然后飞越驼峰到昆明。

Symmetric switches are usually used in the process of narrow gauge transportation on tunnel construction site.

隧道施工窄轨运输过程中经常采用对称道岔。

Although the gains provide a psychological boost analysts say the index of major stocks is a narrow gauge of the stock market.

分析家认为，尽管上涨刺激了大众的心理，但对于股票市场而言，大多数股票指数只能反应出有限的尺度。

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。