Edité par China University of Mining and Technology Press, 2021
ISBN 10 : 7564652721 ISBN 13 : 9787564652722
Langue: chinois
Vendeur : liu xing, Nanjing, JS, Chine
EUR 70,60
Autre deviseQuantité disponible : 3 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback. Pub Date: 2021-12-01 Pages: 151 Language: Chinese Publisher: China University of Mining and Technology Press Mineral composition and physical and mechanical characteristics of the upper and lower rock formations in the mine. a method for identifying the separation layer space horizon was proposed. the types and conditions of the roof separation water inrush were divided. and two mechanical models of the separation layer water inrush types were constructed; followed by simulation an.