1) low approach phase
低空进场阶段
2) Bench open stoping
阶段空场
1.
Test results show that the model is stable,the movement of stop roof and ground surface is less,the change of strain in the pillar is stable,Bench open stoping and subsequent filling mining is feasible.
试验结果表明模型总体呈稳定状态,采场顶板和地表沉降量较小,矿柱应变变化平稳,阶段空场嗣后充填法开采是可行的。
3) low approach
低空进场
5) section-wise open stoping method
阶段空场出矿
1.
According to result of analysis & research,the decision is made to adopt section-wise drilling and section-wise open stoping method to the middle-thick ore body below 18m level.
经过分析和研究,对10 m以下中厚矿体采用分段凿岩、阶段空场出矿法开采,可以提高矿石回采率和减少矿石损失、贫化。
6) low-approach system
低空进场系统
补充资料：低空
1.靠近地面处的天空。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条