Tunnel construction using TBM (video).
Original title: "Animation of Tunnel Boring Machine" (28/04/2015 - YouTube) by California High-Speed Rail Authority.
Haga clic en el enlace https://youtu.be/le6KncOeZlE para abrir el recurso.
Original title: "Animation of Tunnel Boring Machine" (28/04/2015 - YouTube) by California High-Speed Rail Authority.