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The tunnel boring machine (18 photos)
Bashny.Net
How to drill a tunnel in the mountain? Of course, using TBM - tunnel boring machine.
The biggest TBM is 15, 43 meters in diameter and is now being used in China to drill a tunnel under the river.
Shocked-shocked! ..
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Source:
The biggest TBM is 15, 43 meters in diameter and is now being used in China to drill a tunnel under the river.
Shocked-shocked! ..
2
3
4
5
6
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9
10
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Source:
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