open stope method 空场采矿法 ; 空场回采法
open stope mining 空场采掘 ; 空场开采
sublevel open stope method 分段无充填工祖采矿法
open stope [矿业] 空场回采工作面 ; 空场工作面
open stope mining method 空场采矿法
open-stope mining [矿业] 空场法开采
open-stope span 空场跨度
In open stopes the ground above the stope will support its own weight. So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore.
空场回采工作面利用采场上方的岩层支撑自身的重量，所以采场被切割成一系列的由矿壁分隔或用矿柱支撑的峒室。
Water drainage in hollow open pit stope is a key link of production.
凹陷露天采场排水是一个十分重要的生产工艺环节。
In this paper, the research is carried out deeply aimed at the problems of the structure parameters of underground stope for transition from open pit to underground Mining in Shirengou Iron Mine.
针对石人沟铁矿露天转地下过渡期开采I区地下采场结构参数问题展开了深入研究。
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