Tunnel boring machine
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Deutsch: Eine Tunnelbohrmaschine (TBM) ist eine Maschine, welche zum Bau von Tunneln eingesetzt wird.
English: Tunnel boring machines (TBM) are used to excavate tunnels with a circular cross section through a variety of geologies.
[edit] Machines
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 Part of a tunnel boring machine on a low-loading truck after its operation in Cologne, "Nord-Süd-Bahn" (subway) |
[edit] Models
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