Language:Chinese.paperback.Pub Date:2019-01-01.publisher:China University of Mining and Technology Press.description:Paperback. Pub Date: 2019-01-01 Pages: 191 Language: Chinese Publisher: China University of Mining and Technology Press. The main contents of this book include: characteristics of the geological conditions of the Shendong mining area and overview of
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Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2019-01-01 Pages: 191 Language: Chinese Publisher: China University of Mining and Technology Press. The main contents of this book include: characteristics of the geological conditions of the Shendong mining area and overview of the surface ecological environment. and the characteristics of overlying rock activities in conventional shallow coal seam mining And crack development law. evolution law of water retention performance of water-resistant layer mining and water ret. Codice articolo NS056144
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