1.
Comprehensive mine gas prevention and control technology used in #15101 face in Tianchi Coal Mine
天池煤矿15101工作面瓦斯综合防治技术
2.
extract (ore) from a strip-mine.
从露天煤矿中开发矿石。
3.
Talking about the fast charge of accumulator for the mine explosion-proof electric locomotive
论煤矿防爆电机车蓄电池的快速充电
4.
"fossil fuels: coal, oil, and natural gas"
矿物燃料(煤、石油、天然气)
5.
of coal, as contrasted with coal obtained from a strip mine.
关于煤，与从露天矿中开采的煤相对的。
6.
Coal Rank Distribution in No.3 Surface Minefield,Juhugeng Coalmine Area
聚乎更煤矿区三露天煤类分布的探讨
7.
Research on multi-robot coordinated coal transporting in open-air coal mine
露天煤矿下多机器人协同煤矿搬运方法研究
8.
Attention to the Coal Mine Safety Supports Blue Sky for the Miner
关注煤矿安全——为矿工撑起一片蓝天
9.
Probe into Coal-bearing Strata Hosting Features in Mengcheng Mine Area,Yanchi County,Ningxia
宁夏盐池县萌城矿区含煤地层赋存特征探析
10.
Technology Practice on Eliminating Gas Outburst at First Section of 11041 Stope Face Mining in Machi Coal Mine
马池煤矿11041回采工作面首采段消突技术实践
11.
Management System Design and Development on Coal Sales of YuanBaoShan Open Pit Coal Mine;
元宝山露天煤矿煤炭销售管理系统设计与开发
12.
Mobile Substation Power Supply System Design of Open Coal Mine for Huo Coal Group;
霍煤集团露天煤矿移动变电站供电系统设计
13.
Effects of Weathered Coal on Soil Properties in Open-Cast Mine Area
风化煤施用对露天煤矿区复垦土壤性质的影响
14.
Evaluation of Top Coal Caving Characteristics for 1604 Fully Mechanized Caving Face of Lutian Coal Mine
路天煤矿1604综放工作面顶煤冒放性评价
15.
Optimization of coal seam roof and floor stripping equipment for use in Shengli East No.2 Open-pit Coal Mine
胜利东二露天煤矿煤层顶底板剥离设备优化
16.
THE SIGNIFICANCE OF COAL AGGREGATION OF TIANWO COALFIELD IN RECOVERY OF HENGDUANSHAN PALEOGEOGRAPHY
天沃煤矿聚煤特征及对恢复横断山古环境意义
17.
Thirty miners are still trapped in the mine following yesterday's explosion.
自昨天爆炸之后，30名煤矿工人被困在矿井内。
18.
A Matter of Life-or-Death:The Salvation and Governance for Kailuan Coal Mine’s Calamities in Modern History
人命关天:近代开滦煤矿矿难的救助与治理