摘要
针对湖南宝山铅锌银矿井下不稳固围岩内矿体,就几种特殊采矿方法进行分析和探讨。
In thesis some special -minings were analysesed and discussed for the unstable rock -surrounded ore body under well in baoshan lead zinc silve r mine.
出处
《湖南有色金属》
CAS
2002年第5期4-6,共3页
Hunan Nonferrous Metals
关键词
不稳固围岩
采矿方法
采矿结构
回采
unstable rock
special -mining
ro om -character
stope