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wikipedia800mm china automatic tunnel boring - Roadheaders 800mm China Automatic Tunnel Boring Machine. ... Tunnel boring machine - Wikipedia. A tunnel boring machine (TBM), also known as a "mole", ...

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Global Tunnel Boring Machine (TBM) Market by … A tunnel boring machine (TBM) is a machine used to excavate tunnels with a circular cross section through a …

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Slurry Tunnel Boring Machine Slurry TBM Definition - A slurry tunnel boring machine (slurry TBM) is a type of underground excavator that removes excavated... Tunnel Boring Machines - Kawasaki Heavy Industries

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Bertha was a 57-foot-diameter (17.4 m) tunnel boring machine built specifically for the Washington State Department of Transportation's (WSDOT) Alaskan Way Viaduct replacement tunnel project in Seattle.

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