The generation background and the classification principle of mass filling method are analyzed from the aspects of ground pressure control and production process.
从地压管理和生产工艺过程方面分析了阶段充填采矿法的产生背景和划分依据。
The generation background and the classification principle of mass filling method are analyzed from the aspects of ground pressure control and production process.
从地压管理和生产工艺过程方面分析了阶段充填采矿法的产生背景和划分依据。
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