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2022-06-20
operation department
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The Rock Pipe Jacking Machine for the Expansion and Reconstruction Project of the Main Sewage Pipe in the South of Changsha Economic and Technological Development Zone Launched Smoothly
A Perfect Breakthrough for the Pipe Jacking Section of Oil Pipeline Project (Crossing the South-to-North Water Diversion Project)
The Pipe Jacking Machine of the Sewage Pipe Network Renovation and Repair Project in Shushan District, Hefei City Started Smoothly
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