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нунтаглах машины үндсэн үүрэг. Mineral Processing Technology 2017. Dec 17 2017 The concept of automated tunnel borers isn t new Since 2012 Rio Tinto has been working with the Centre of Excellence in Mining Innovation CEMI to build shafts and tunnels at a faster rate as part of Rio s Mine of the Future initiative Together the two have designed a new …
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