1.
Environment Assessment of Mining Caving of Xing Long Gypsum Mine in HeBei;
河北邢隆石膏矿开采沉陷环境影响评价研究
2.
Present Mining Situation,Existing Problem and Countermeasure for Sanhe Gypsum Mine in Dingyuan District
定远三和地区石膏矿开采现状、存在问题及对策
3.
The Economics Model on Gypsum Mine Reasonable Exploitation Level and Range;
石膏矿矿井合理开采深度及范围的经济模型
4.
Discussion on the Problems Existing in and Countermeasures for the Mining of Gypsum Deposits in Shanxi Province
山西省石膏矿床开采中存在的问题及对策
5.
A Study on Rock Pressure of Ascending Order in Mining Adjacent Gypsum Seams with Long Wall Picking Fill
近距离石膏矿层长壁充填法上行开采的矿压研究
6.
Study on Disposition Method of Huge Goaf in Room-And-Pillar-Mining in Pingyi Gypsum Colliery;
平邑石膏矿房柱式开采大面积采空区处理方法研究
7.
FLAC~(3D) Analysis of Goaf Stability of Jia-zhuang Gypsum Mine
贾庄石膏矿采空区稳定性FLAC~(3D)分析
8.
To extract from a mine or from mined ore.
开采从矿或矿石中提取
9.
To excavate the earth for the purpose of extracting ore or minerals.
开矿，采矿为开采矿石或矿物而挖掘土地
10.
Experimental Study on the Filling Reinforcement Techniques in Gypsum Mined-out Area
石膏矿采空区充填加固技术的试验研究
11.
Experimental study on clay solidification and filling in Shaodong gypsum mined-out area
邵东石膏矿采空区粘土固化充填试验研究
12.
they extracted some calcium carbonate ores in the mine.
他们在矿上开采出了一些石灰质矿石。
13.
the mining of ore or coal from an open mine.
从敞开的矿井提取矿石或煤的采矿。
14.
Application of paste filling technology in coal mining
浅谈膏体充填技术在矿山开采中的应用
15.
A rock containing enough iron to permit commercial extraction; an iron ore.
铁矿石含有足够商业开采用铁量的岩石；铁矿石
16.
drilling machine, mining or quarrying, not self-propelled
开矿或采石用钻机,非自动钻机
17.
boring machine for mining or quarrying[self propelled]
开矿或采石用钻探机[自动推进的]
18.
drilling machine, for mining or quarrying, self-propelled
开矿或采石用钻机,自动推进式