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Mexico City began construction of the Emisor Oriente sewage tunnel in 2009. The Emisor Oriente sewage tunnel is 62km long, with an inner diameter of 7m and a maximum depth of 150m. The treatment capacity of the local sewage pipe network will be increased
The first super-large-diameter TBM “Fuxing hao” jointly built by Nanjing Public Works Construction Center and China Railway 14th Bureau Group completed the factory construction in Guangzhou on May 16 and passed the acceptance test. It will be served in Na