ISBN 10 : 7502060502 ISBN 13 : 9787502060503
Vendeur : liu xing, Nanjing, JS, Chine
EUR 73,25
Autre deviseQuantité disponible : 5 disponible(s)
Ajouter au panierpaperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2017-09-01 Publisher: coal industry publishing house book for the building. water. railway and main shaft and this coal pillar and press coal mining stable cross. full and accurate implementation of the main reference technical data. detailed describes the three under mining in the field of surface movement deformation calculation and parameter calculating method of mining. near water safe thickness calculation method. the coal and rock pillars near the w.