The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
kong xiang zong fang mian she bei xuan xing guan jian ji shu yan jiu
Author(s): 
Pages: 41-42
Year: Issue:  9
Journal: Coal

Keyword:  空巷设备选型空巷揭露;
Abstract: 有空巷存在的综放工作面在回采推进过程中,根据围岩物性状态的不同和与空巷的关系,工作面先后会经历实体煤开采、破碎煤体开采和空巷揭露开采三个阶段。
Related Articles
No related articles found