The panel made of this material using in the coal mine hoisting equipment gives a high performance.
用该材料制成的煤矿提升设备中箕斗上使用的镶条其寿命可大幅度提高。
The panel mining process of Dayao Copper Mine, Yunnan was monitored and analysed with acoustic emission(AE)and acoustic wave (AW)methods.
采用声发射与声波对云南大姚铜矿盘区开采过程进行监测分析，用声彼仪对支撑顶板的点柱进行监测；
By optimizing the sequence of panel mining stope of ore block, the mining sequence of the "two stope panels" is applied for the mine.
对阶段中盘区回采顺序进行优化，得出“隔二采一”的最佳开采顺序。
By optimizing the sequence of panel mining stope of ore block, the mining sequence of the "two stope panels" is applied for the mine.
对阶段中盘区回采顺序进行优化，得出“隔二采一”的最佳开采顺序。
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