Guidelines for the installation of coal pillars and coal mining in buildings. water bodies. railways and main shafts (Second Edition) Metallurgy. Geology(Chinese Edition) - Softcover
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Language:Chinese.paperback.Pub Date:2024-12.publisher:Emergency Management Press.description:Paperback.Pub Date:2024-12 Pages:252 Publisher:Emergency Management Press This book describes in detail the calculation of surface movement deformation and its parameter obtaining methods in the field of three down coal mining. the calculation method
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Guidelines for the installation of coal pillars and coal mining in buildings. water bodies. railways and main shafts (Second Edition) Metallurgy. Geology(Chinese Edition)
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paperback. Zustand: New. Language:Chinese.Paperback.Pub Date:2024-12 Pages:252 Publisher:Emergency Management Press This book describes in detail the calculation of surface movement deformation and its parameter obtaining methods in the field of three down coal mining. the calculation method of safe coal rock pillar thickness in coal mining near water bodies. the calculation method of water inflow in coal mines (mining areas) near water bodies. and the three down coal pillar retention methods and examples; introduces. Bestandsnummer des Verkäufers DS058769
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