1) opencast quarries
露天采石场
1.
Analysis and prevention programs of geological disasters in opencast quarries
露天采石场地质灾害原因辨析与防治方案
2) small open stone quarry
小型露天采石场
1.
Safety production status of small open stone quarry is analyzed in this paper.
在分析了小型露天采石场安全生产现状的基础上,以采场作业时边坡滚石、滑塌为例,采用风险评价方法对其危险性进行了半定量评价,认为采石作业存在高度危险。
3) open-pit
[英]['əupən'pit] [美]['opən'pɪt]
露天采场
1.
Recovering residual ore body technology in open-pit;
露天采场残留矿回收技术
2.
For the purpose of recovering mineral resources,stabilizing the mine producibility,prolonging the service time,the remained ore carried on open-pit mine.
为了减少爆破震动的影响,维护露天边坡的稳定性,保护地表建筑物、古采矿遗址及相思河河流,对露天采场临近边坡采用控制爆破。
4) open pit
露天采场
1.
Based on the analysis and study on the cause of affecting blasting effect in open pit of Yinshan Lead zinc Mine, a series of technical and management suggustions and measures, which is reducing boulder yield, frequency of rock toe and back break, are put out, so the way of improving mine economic benefit are discussed.
针对银山铅锌矿露天采场影响爆破质量的原因进行了分析研究 ,提出了以降低大块率、根底率、减少后冲 ,改善爆破质量为中心的一系列技术与管理的建议和措施 ,以探讨提高矿山经济效益的途径。
5) open stope
露天采场
1.
Elimination methods of blasting toes in open stope of Tiegukeng mine;
铁古坑矿露天采场爆破根底的消除方法
6) surface workings
露天开采场
补充资料：露天
1.指室外。
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