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METHOD OF CONSTRUCTING AN UNDERGROUND STRUCTURE IN ADVERSE CLIMATIC CONDITIONS
METHOD OF CONSTRUCTING AN UNDERGROUND STRUCTURE IN ADVERSE CLIMATIC CONDITIONS
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机译:在不利气候条件下构造地下结构的方法
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the invention относитс to tunnelling, as well. -.у - - - -:. :: / / / / / i / / / / /.particular выработкам, подвергающимс pressure of groundwater in the harsh climate услови х. purpose to
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