casco-j9游会真人游戏第一品牌

one of the first demonstration suburban railways designated by the national development and reform commission

shanghai rail transit airport link line

the shanghai rail transit airport link line is one of the first 11 demonstration suburban railways designated by the national development and reform commission, and the first suburban railway in china that adopts ctcs and has all the signaling systems designed, manufactured, supplied, installed, commissioned and delivered by one signaling system provider.

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