city track transportation

• 城市轨道交通

city track transportation的用法和样例：

例句

1. With more overhead railway lines built in a city, it is worried about the railway accident occuring on the overhead urban railway.
   摘要随著城市轨道交通高架化的大力推行，救援人员必须对高架桥上的起复抢修进行预案准备。