Abandoned coal mines would be pensioned off.
废弃的煤矿将不再被使用了。
This used to be a coal mine, but it's abandoned now.
这儿曾经是个矿井，但已经被废弃了。
Coal rock body electric characteristic abnormity of the mine coal face relates coal mine safety production.
矿井工作面煤岩体的电性特征异常关系到煤矿安全生产。
Abut Supporting Technology for High Output and High Efficiency Comprehensive Face Zone of Wangzhuang Coal Mine
王庄煤矿高产高效综放工作面端头支护技术
Applications and management of the trackless rubber wheel accessorial transportation system in coal mine
无轨胶轮辅助运输系统在井工矿井的应用
Analysis on the gas coal dust explosion accidence in Mennanzhuang coal mine
孟南庄煤矿瓦斯煤尘爆炸事故原因浅析
Problems Existing in Coal Mine Casualty Accidence Research and Treatment and Solution Methods
煤矿伤亡事故调查处理存在的问题及解决办法
electromechanical accident in coal mine.
煤矿机电事故
Accident prevention for coal mine blasting
煤矿爆破事故的防治
The roof and side fall accident is one of the most common accidents in the coal mine accident.
在煤矿安全事故中，巷道的冒顶片帮是最常见的事故之一。
Prevention and countermeasures of gas explosion accident at coal mines
煤矿瓦斯爆炸事故的防治对策
A simple discussion of electric shock accident and prevent measure in coal mine
浅谈煤矿触电事故及预防措施
Transportant and Hoisting Accidents Analysis in Inclined Drift of Coal Mine
煤矿斜巷运输提升事故分析
The characteristics of accompanying structure of the interlayer sliding among the coal seams and the influence to coal mine production
煤系层间滑动伴生构造特征及对煤矿生产的影响
A PRELIMINARY STUDY ON THE LATE CARBONIFEROUS EPOCH OF THE COAL ACCUMULATION IN YANGHUKOU COAL MINE
山丹羊虎沟煤产地晚石炭世成煤环境初步研究
Discussion on rationalization of plane survey accuracy at Gequan Coal Mine
葛泉矿井下平面测量精度合理性探讨
Analysis and Countermeasure for Lowering Noise from Acoustic Source of Coal Mine
煤矿通风机声源降噪分析及对策
Analysis and Counter Measure for Lowering Noise Out of Acoustic Sources of Coal Mine
煤矿通风机声源外降噪分析与对策
Acoustic Design to Control for Noise in Air Shaft of Coal Mine and Study to Calculation for Drag Loss
煤矿风井噪声控制的声学设计和阻力损失计算研究
Pulmonary infection acquired in hospital of coal miner pneumoconiosis
煤工尘肺院内获得性肺感染的诊断与治疗
Experimental Study for Acute Pulmonary Reaction on Coal Dust of Hui Bei Coal Mine.
淮北煤矿煤尘的急性肺部反应实验研究
Analysis on adaptability of trackless transport used in coal mine
无轨运输在煤矿的适应性浅析
Design of a New Character Adder for the Use in Coal Mine.
新型矿用字符叠加器的设计
The medicament preparation, adding and automatic control coal preparation plant, Dongtan Coal Mine are introduced.
介绍了东滩煤矿选煤厂药剂制备、添加和自动控制系统。
Application of the Methods Adjusted Wind Volume in Xiqu Coal Mine
降阻法在西曲矿的应用
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