轨道交通,具有较大的运输能力、较高的准时性、较高的安全性和较小的环境污染等优点,而且还可以充分利用物理空间,拓展城市空间的布局。因此,大力发展轨道交通是解决城市交通问题的根本出路,这一观点已成为世界各国的普遍共识。与此同时,轨道交通产业对装备制造业、经济发展 Rail transit, with greater transport capacity, higher punctuality, higher safety and less environmental pollution, etc., but also can take full advantage of physical space, expanding the layout of urban space. Therefore, vigorously developing rail transit is the fundamental way out for solving the problem of urban transportation. This view has become a universal consensus of all countries in the world. At the same time, the rail transit industry for the equipment manufacturing industry, economic development