“A total of 37 cities on the Chinese mainland had #rail transit systems in operation as of June 30, with a total length of 6126.82 km. Another 2-3 cities are expected to install urban rail transit systems by 2019, adding 600 km in length, said the China Association of Metros.”
“A total of 37 cities on the Chinese mainland had rail transit systems in operation as of June 30,
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2019-07-03 11:59