摘要
介绍云南某些矿山新型采矿法的实践经验 ,其主要特点是低成本、高回采率和高效率 。
Some new mining methods have been applied in several mines in Yunnan Province and proved to be of low cost,high extraction ratio and high operating efficiency.Therefore,these new methods should be the major target of research work on underground mining of difficult ore bodies.
出处
《云南冶金》
2002年第3期15-17,共3页
Yunnan Metallurgy
关键词
难采矿体
地下采矿法
科研方向
difficult ore body
new method
scientific research
