sublevel caving system 中文意思是什麼
sublevel caving system
解釋
分段崩落采礦法-
The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased
在分段鑿巖階段礦房法回採實踐中,用非電導爆管雷管起爆系統成功地實現了階段落礦爆破與拉底、辟漏、切槽爆破一次同步進行,提高了生產效率。 -
Study on ore loss and dilution in pillarless sublevel caving based on sls system
系統的無底柱崩落法礦石損失貧化的研究
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