急倾斜煤层安全高效开采技术 - Tapa blanda

Safe and efficient mining technology for steep coal seams/Linyi Mining Group Top Ten Mining Technology Series(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2020-12-01 Pages: 123 Language: Chinese Publisher: China University of Mining and Technology Press Safe and Efficient Mining Technology for Steep Coal Seams/Linyi Mining Group Top Ten Mining Technology Series systematically discusses the flexibility of steep coal seams in Linyi mining area The theory and practical technology of shield mining. based on the long-inclined coal seam mining history and valuable engineering practice experience in Linyi mining area. has construc. Nº de ref. del artículo: NW022217

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