1.
Research on New Process for Ore Fragmentation in Jade Mine by Energy-Concentrated Control Blast
聚能控制爆破开采玉石矿床落矿新工艺研究
2.
Production practice of short hole mining technique in Xinhua Molybdenum Mine
浅孔落矿技术应用于新华钼矿的生产实践
3.
Support Technique and Equipment for Block Caving in Tongkuangyu Copper Mine
铜矿峪矿矿块崩落法支护技术与设备
4.
vibrations will cause the roof of the mine to collapse.
震动会引起矿顶塌落。
5.
sublevel blast-hole method
深孔分段崩落采矿法
6.
Experimental Research on Small Segment Caving Mining Method in Qianhe Gold Mine
前河金矿小分段崩落采矿法试验研究
7.
Research on Low-Dilution and Loss Sublevel Caving of Inclined Medium-thick Orebody in Xiadian Gold Mine;
夏甸金矿倾斜中厚矿体低贫损分段崩落法研究
8.
Research on the Structure of Microbial Communities of Acid Mine Drainages of Yinshan Lead-zinc Mine;
银山铅锌矿酸性矿坑水微生物群落结构分析
9.
Improved way of sublevel caving without sill pillar of Chambish main orebody
谦比希铜矿主矿体无底柱分段崩落法改进途径
10.
Study of the Ore-Drawing under Ore Isolating Layer in Caving Based on SLS System
基于SLS系统的崩落法矿石隔离层下放矿研究
11.
On Mechanical Stability of First Base in Caving Process of Longshou Lean Ore Mining Area;
龙首矿贫矿体崩落采矿中第一个底部结构力学稳定性研究
12.
The Appling of Mining Method by Stage Avalanche and Shallow Bore Withhold Mine Coulping of XiaDian Gold Mine
夏甸金矿分段崩落与浅孔留矿耦合采矿方法的应用
13.
And the sulphide mineral deposits lie directly on the sea floor.
而硫化物矿藏直接坐落在海床上。
14.
crusher ,drop hammer for solid mineral materials
落锤式破碎机,用于固体矿物
15.
top slicing combined with ore caving
下向水平分层崩落采矿法
16.
Rapid holding and control for special large water inrush from sink hole in Dongpang Mine
东庞矿陷落柱特大突水灾害快速治理
17.
The mining industry was outpaced for a time by lumbering.
矿业发展曾一度落在木材业之后。
18.
Miners wore a helmet as a guard against falling rocks.
矿工头戴钢盔, 防护落下的岩石。