A China-made environmentally friendly tunnel-boring machine (TBM) rolled off the production line Tuesday in Zhengzhou, central China's Henan Province.
It will be exported to Italy for the construction of a railway tunnel in Sicily.
A China-made environmentally friendly tunnel-boring machine (TBM) rolled off the production line Tuesday in Zhengzhou, central China's Henan Province.
It will be exported to Italy for the construction of a railway tunnel in Sicily.
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