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China's largest homemade slurry tunnel boring machine rolls off production line

Source: Xinhua| 2018-09-29 19:54:26|Editor: ZX
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CHINA-ZHENGZHOU-TBM (CN)

China's largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of central China's Henan Province, Sept. 29, 2018. The machine has a diameter of 15.8 meters, making it the largest slurry TBM designed in China. (Xinhua/Feng Dapeng)

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KEY WORDS: boring machine
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