摘要
In 1971, China＇s first subway line in Beijing was formally put into operation. By December 2017, there were 171 subway lines stretching over 5,083 km in 35 cities on the Chinese mainland. Currently, China has the longest urban railway network in the world, which is predicted to surpass 6,000 km by 2020.
In 1971,China’s first subway line in Beijing was formally put into operation.By December 2017,there were 171 subway lines stretching over 5,083 km in 35 cities on the Chinese mainland.Currently,China has the longest urban railway network in
