摘要
文中介绍了老柞山金矿空区上部露天矿的开采工艺及取得的经济效益和社会效益 。
The technology of open pit mining above mined out areas and the economic and social benefits achieved from it are introduced.Which opens a way to the exploitation and utilization of secondary resources.
出处
《黄金》
CAS
2003年第6期24-26,共3页
Gold
关键词
空区
露天矿开采
二次资源利用
utilization of secondary resources
mined out area
open pit mining
