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Theory and Practice of Control Technology for Overlying Strata Movement in Deep Coal Seam Filling Mining(Chinese Edition)
Anbieter: liu xing, Nanjing, JS, China
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paperback. Zustand: New. Paperback. Pub Date: 2021-03-01 Pages: 189 Language: Chinese Publisher: Science Press. Filling mining is an effective technical way to ensure the safety of deep coal seam mining. increase resource recovery rate and protect the ecological environment.?Deep Coal Seam Filling and Mining Overlying Strata Movement Control Technology Theory and Practice aims at the bottleneck problem of the overlying rock movement control technology for ultra-high water filling mining in deep coal seams. Based on t. Bestandsnummer des Verkäufers NV020500
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