rail laying meaning in English
钢轨铺设
Examples
- A tram is a public transport vehicle , usually powered by electricity from wires above it , which travels along rails laid in the surface of a street
电车是一种大众运输工具，通常是由上方电缆的电力来发动，它可沿著铺在路上的轨道行驶。 - Urban rail transit is an integrated system , includes more than ten sub - systems such as civil engineering , equipment installation , rail laying , vehicle and so on
摘要城市轨道交通是一个综合的系统工程，由土建、设备安装、轨道铺设、车辆等十多个子系统组成。