China-made rock tunnel boring machine in Snowy Hydro 2.0 hydroelectric project ready.
Video:
http://www.xinhuanet.com/english/2020-06/22/c_139158153.htm
http://www.xinhuanet.com/english/2020-06/22/c_139158153.htm
China-made rock tunnel boring machine for Australia rolls off production line - Xinhua | English.news.cn
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