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latest tunnel boring machinesdrilling boring machine

Tunnel boring machine - Wikipedia

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How a Tunnel-Boring Machine Drills Underground - YouTube

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Bertha (tunnel boring machine) - Wikipedia

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The World's Largest Tunnel-Boring Machine | Popular Science

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About KAMY

KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.