The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.
叙述了堡子湾金矿多年来应用浅孔留矿采矿法的生产实践以及对采切工程的改进。
The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程，采用浅孔留矿法进行开采。
The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程，采用浅孔留矿法进行开采。
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