TBM
Shield TBM
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Earth Balance
Rectangular
Auger Boring
Microtunnelling Machine
Others
2022-04-24
operation department
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The Rectangular Pipe Jacking Machine of Nanchang Rail Transit Project Launched Smoothly
The Zhaoshi River Pipe Jacking Tunnel Crossing Project in the Sixth Bid Section of the Middle Section of the West-East Gas Transmission Line 3 Launched Smoothly
Bengbu Long-distance Pipe Jacking Project Started Smoothly
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