Nanjing Metro

• 南京地铁

Nanjing Metro的用法和样例：

例句

1. The concrete continuous beam in the elevated bridge of the South-North Line of Nanjing subway is firstly tasted in China.
   摘要南京地铁南北线一期工程高架区段首次在国内采用了预应力混凝土连续梁的型式。