1.
Study on the Rising Effect of Coal Mining Technology Innovation to Core Competence of Underground Coal Mine Enterprises;
采煤技术创新对井工开采煤矿企业核心竞争力的提升作用研究
2.
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。
3.
The State shall take special protective measures for miners working in underground coal mines.
国家对煤矿井下作业的职工采取特殊保护措施。
4.
Power Supply Plan for Thin-layers in Fully-mechanized Mining
煤矿井下薄煤层综采工作面供电方案
5.
The State shall encourage coal mining enterprises to carry out second mining or extract residual coal at the margins of mining areas and very thin coal seams.
国家鼓励煤矿企业进行复采或者开采边角残煤和极薄煤。
6.
Analysis of Land Destroyed Degree in Underground Mining Area
井工开采煤矿区土地破坏程度分析——以陕西某矿为例
7.
Developmental Research of the Autocontrol Drainage System under Coal Mine Well;
煤矿井工开采排水设备自动控制系统的开发研究
8.
The Simple Study of Rapid Construction of Auxiliary Shaft in EightBao Coal Mine
八宝煤矿副井井筒快速施工作业浅析
9.
Practice of Full-mechanized Caving Mining Face with Strong Underground Pressure in Softly Inclined and Extremely Thick Coal Seam
缓倾斜特厚煤层强矿压矿井综放开采实践
10.
Enlightment from Extracting Residual Coal Pillar in Yangzhuang Colliery
杨庄矿在矿井残留煤柱开采中的几点启示
11.
Article 44 Coal mining enterprises must provide accidental injury insurance for miners working underground and pay premiums.
第四十四条 煤矿企业必须为煤矿井下作业职工办理意外伤害保险，支付保险费。
12.
The State shall encourage coal mining enterprises to develop coal washing and processing as well as comprehensive exploitation and utilization of coalbed methane, gangue, coal slime, stone coal and peat.
国家鼓励煤矿企业发展煤炭洗选加工，综合开发利用煤层气、煤矸石、煤泥、石煤和泥炭。
13.
Application on Non Coal Pillar Mining for Gob-side Entry Retaining Technology in High Gaseous Mine
沿空留巷无煤柱开采技术在高瓦斯矿井的应用
14.
Study on Safe Mining Technology for Overlapped Boundary Area of Coal Mines
煤矿井田境界重叠区域安全开采技术研究
15.
Study on Pillars Stability by Keeping Water in Strip Mining for Small and Medium-sized Mines in Northern Shanxi Province
陕北中小矿井条带保水开采煤柱稳定性研究
16.
Resolution to Corner Coal Exploitation Scheme of Aged Coal Mine
衰老矿井边角呆滞煤开采方案设计研究
17.
Discussion on Technology Mode for Mine Underground Backfilled and Water Keeping Mining
煤矿井下充填保水开采的技术模式探讨
18.
Methane Drainage and CBM Surface Development in Tiefa Mining Area
铁法矿区井下瓦斯抽采与地面煤层气开发