boring machine - Traducción al español – Linguee
It owns the machinery to tackle jobs of any size, such as Tizona, the biggest tunnel-boring machine in the world, which was used to build the M30 tunnels.Measuring over 175 metres in length and weighing in at over 4,200 tons, Tizona can develop a thrust of 31,700 tons and bore 24 metres of 15.2-metre-diameter tunnel daily.