Guidelines for the installation of coal pillars and coal mining in buildings. water bodies. railways and main shafts (Second Edition) Metallurgy. Geology(Chinese Edition) - Couverture souple
Synopsis
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)
Edité par
Emergency Management Press, 2024
ISBN 10 : 7523707688
ISBN 13 : 9787523707685
Neuf
paperback
Vendeur : liu xing, Nanjing, JS, Chine
Évaluation du vendeur 5 sur 5 étoiles
paperback. Etat : 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. N° de réf. du vendeur DS058769
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