Перегляд Volume 10, Issue 4 по темі
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Тема |
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schematics [1] |
scheme [1] |
steep excavation layer [1] |
stopes [1] |
subsidence of the land surface [1] |
sulfur content [1] |
sustainability [1] |
technogenic deposits [1] |
technology [1] |
tool [1] |
tungsten [1] |
underground coal combustion [1] |