1.
Research on Improving Large-scale Electric Shovel Efficiency of Nanfen Open-pit Mine
提高南芬露天矿大型电铲效率的研究
2.
A Feasibility Study on Prolonging the Service Life of the 290 Level Adit in Nanfen Surface Mine
南芬露天矿延长290平硐服务年限的可行性研究
3.
Application of Pre-blasting Technology in the Nanfen Open-Air Iron Mine
预裂爆破技术在南芬露天铁矿的应用
4.
On the Measure and Research of the Rock and Ore’s Weights in Nanfen Open-Air Iron Mine
南芬铁矿露天采场岩矿石体重的测定与研究
5.
Study on Feng Jia Donggou Dumping Site Stability in Nanfen Open-pit Iron Mine
南芬露天铁矿冯家东沟排土场滑坡稳定性分析
6.
STUDY ON OPTIMIZATION OF MINING PROCEDURE FOR SOUTH OPEN PIT
霍林河南露天煤矿开采程序优化研究
7.
(of mines and mining) worked from the exposed surface.
（矿或采矿）露天挖掘的。
8.
extract (ore) from a strip-mine.
从露天煤矿中开发矿石。
9.
Technology Research and Practice of Residual Ore Recovery Under the Complex Conditions in the Southern Open Bottom of a Mine
某矿南露天坑底复杂条件下残矿回收技术研究与实践
10.
Upgrading of Return Fines Treatment Process Applied by Nanfen Concentration Plant of Bengang
本钢南芬选矿厂返矿处理工艺的改造
11.
Strip mine is another form of surface mining.
露天剥离矿是露天开采的又一种类型。
12.
Research of Application of the Semi-continuous Mining Technology on the Stripping System of the Houlinhe South Open-pit Mine;
霍林河南露天煤矿剥离系统应用半连续工艺的可行性研究
13.
blasting survey of open pit
露天矿爆破工作测量
14.
glory-hole system
露天放矿漏斗开采法
15.
strip-borer drill
露天矿水平炮眼钻机
16.
Spring embalms the woods and fields.
春天使森林和田野吐露芬芳。
17.
A Study on the Application of Open Pit Mining Machine in Shengli No.1 Open-pit Mine
露天采矿机在胜利一号露天矿的应用研究
18.
Crushing System Open Questions and Solutions at Nanfen Concentrator
南芬选矿厂碎矿系统存在的问题及应对措施