sublevel stoping mining 中文意思是什麼
sublevel stoping mining
解釋
分段梯段回採-
With the mining of no. 1 ore body which is solwly inclined, large and thick at the west flank of xinqiao pyrite mine as the example, analytic comparision is made between flat - back cut and fill stoping and sublevel open stoping with one - time delayed filling. the suggestion on the optimization of the mining and the discussion on appropraite mining method and the technical parameters of mining technology for slowly inclined large and thick ore body are also made
以新橋硫鐵礦礦體西翼緩傾斜厚大礦體的開采為實例，對生產中應用的水平分層充填采礦法和分段空場嗣後一次充填采礦法進行分析比較，提出采礦方法的優化建議，探討緩傾斜厚大礦體合適的采礦方法和采礦工藝技術參數。 -
Application of medium - length hole sublevel open stoping to the mining of thick part of high grade complex orebody
中深孔分段空場采礦法在高品位復雜難采厚礦段的應用 -
The study on the test of sublevel stoping mining method in an mo mine
某鉬礦采礦方法的優化設計
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