文件名称：薄煤层长短钻孔联合注水技术的应用 (2015年)
文件大小：304KB
文件格式：PDF
更新时间：2024-07-03 08:01:26
工程技术 论文
This paper is to introduce a relatively active and positive as well as effective measure to reduce the coal dust produced in the process of coal mining by taking the technology of injecting water to the coal seams used in the coal mine production practice