According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.
根据铧厂沟金矿矿体的开采技术条件，选用了浅孔留矿采矿法回采。
Based on the existing conditions, Pindu Municipal Gold Mine preferred short-hole shrinkage stoping without sill, intermediate and crown pillar to other mining methods and obtained excellent result.
平度市金矿利用现有的条件，因地制宜采用“三无”即无底、间、顶矿柱浅扎留矿法，收到了好效果。
The paper discusses the new options of short-hole shrinkage: all-over mining, static shrinkage, precipice shrinkage, rock mining conditions, active supporting and ore pillar recovery.
本文探讨了浅孔留矿祛新型变形方案：留矿全面法、静态留矿法、削壁留矿法，以及这些方法的矿岩开采条件，采场主动支护，矿柱回收等。
应用推荐