Not boring at all

By cnsphoto Source: Global Times Published: 2020/9/27 22:33:13

A tunnel boring machine (TBM) was completed on Sunday at a plant of China Railway Construction Heavy Industry Co in Changsha, Central China's Hunan Province. With a diameter of 16.07 meters and state-of-the-art technology, the TBM is the largest any Chinese company has ever built. The machine is 150 meters long and weighs 4,300 tons. Photo: cnsphoto



 



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