sublevel stoping 中文意思是什麼
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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 -
Study and application of explosive transportation sublevel open stoping in tongshan copper mine
爆力運搬分段空場采礦法在銅山銅礦的研究與應用 -
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 -
Study on high sublevel stoping of shallow - hole shrinkage system with sill pillar in thin - small ore body
薄小礦體有底柱淺孔留礦法高分段回採的研究 -
Study on lateral pin - point blasting technique in sublevel open stoping
分段空場法側向爆破拋擲出礦技術的研究 -
A tentative plan for the improvement of sublevel open stoping with subsequent backfilling at tongkeng tin mine
改進銅坑錫礦分段空場嗣後充填采礦法的設想 -
Analysis of influence factors on the convergence of stoping drift in sublevel caving method without bottom structure
無底柱分段崩落法回採巷道收斂的影響因素分析
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