Three three industries joined hands with China railway seventh bureau Hohhot subway line 1 05 standard, three stations 4 intervals, 2017.7.15~2018.10.10 lasted 15 months, 16 times of disassembly and assembly, double line 6km shield interval all through!


Three three industries joined hands with China railway seventh bureau Hohhot subway line 1 05 standard, three stations 4 intervals, 2017.7.15~2018.10.10 lasted 15 months, 16 times of disassembly and assembly, double line 6km shield interval all through!

 





 

 

 

 

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