Verlag: China University of Mining and Technology Press, 2019
ISBN 10: 7564636610 ISBN 13: 9787564636616
Sprache: Chinesisch
Anbieter: liu xing, Nanjing, JS, China
EUR 73,04
Währung umrechnenAnzahl: 3 verfügbar
In den Warenkorbpaperback. Zustand: 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.