1.
Application of Non-pillar Sublevel Caving Method in Pillar Recovery
无底柱分段崩落法在矿柱回收中的应用
2.
pillar robbing
【采矿】回收矿柱法
3.
Study on the Reclimaning of Fault Waterproof Coal Pillar in Mafang Mine;
马坊煤矿断层防水煤柱开采回收研究
4.
Research on the Pillar Extraction in Erxiashan Mining Area of Suhaitu Coal Mine
苏海图煤矿二下山采区煤柱回收方法研究
5.
Research on Setting the Roof Protection Layer for Extracting the Pillars in Large Rooms at High and Medium Levels
高中段大面积矿房底柱回收护顶层留设研究
6.
Recovery of fine scheelites from flotation tailings by flotation column
利用微泡浮选柱从浮选尾矿中回收微细粒级白钨矿
7.
Recovery of Fine Scheelite from Flotation Tailings by Column Flotation
浮选柱法从浮选尾矿中回收微细粒级白钨矿的研究
8.
open-end method
(采矿) 敞开进路式矿柱回采法
9.
Mine Pillars Mining with Small-scale Coal Mining Approach in Small Coal Mine
小型煤矿采用小进路采矿法的矿柱回采
10.
When the ore is particularly valuable, the walls and pillars are often removed at a later stage and the roof of the chamber is allowed to cave in. This technique is known as robbing.
如果矿石特别宝贵,矿壁和矿柱常在最后回采,让采场顶板冒落。这一技术叫矿柱回采。
11.
Mining design procedures of the deep mining process sublevel caving stoping method
无底柱分段崩落采矿法回采设计方法
12.
The Technology and Practice of the Safe Pillar Stoping in the Mined Area of Shizishan Copper Mine
狮子山铜矿采空区矿柱安全回采技术与实践
13.
Principal Technology Study on Pillor Mining under the System of Room and Pillor Mining;
房柱式开采体系煤柱回收关键技术研究
14.
Experimental Study on Comprehensive Recovery of Scheelite from Antimony Ore by Flotation
某锑矿综合回收白钨矿浮选试验研究
15.
STUDY ON MOLYBDENUM RECOVERY FROM PROCESSED TAILINGS
从某钼矿老尾矿中回收钼的试验研究
16.
Ground Pressure Monitor and Pillar Robbing Technology in Dangping Baoshan Mining Region
荡坪钨矿宝山矿区水平矿柱地压监测与回采技术研究
17.
FEASIBILITY STUDY ON RECOVERY OF REFRACTORY COPPER OXIDE ORE FROM SOUTH ZONE IN WUSHAN COPPER MINE
武山铜矿南矿带难采氧化矿回收可行性研究
18.
Study on retrieve ilmenite ore from tailings of certain separation iron
从某铁尾矿中回收钛铁矿选矿试验研究