摘要
大冶铁矿尖林山西区 - 40 m水平以下尖灭矿体 ,用浅孔留矿法来衔接无底柱分段崩落法进行采矿 。
Shallow shrinkage method following sill pillar free subdrift caving was used in the bottoming below 40m in the west zone of Jianlinshan ore body of Daye Iron Mine,which obtained better economic benefit.
出处
《矿业快报》
2003年第1期12-15,共4页
Express Information of Mining Industry
