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The track company Guangzhou Metro Line 18 successfully completed the lifting of the first large-diameter TBM. The TBM is not the earth pressure balance TBM widely used by the company, but a 8.8-meterslurry balance TBM that is more than twice as heavy as t
Dalian Metro Line 5 (M5) is from Hutan New District to the new airport. The line passes through the high-strength residential area of Hutan New District, Jiefang Road residential area, Labor Park, Qingniwa Commercial Center, Dalian Railway Station and Shu