依靠技术进步 提高凿岩爆破质量

Relying on technological progress and improving the drilling blast quality

详细地介绍了金岭铁矿地下开采中深孔落矿工艺的优化、应用经验 。

The application experience of optimized process of deep and medium holed caving in underground mining of Jinling iron mine and problems to be noted in the practice were described in detail