1.
Scientific and reasonable determination of salary per ton coal mined for coal mining teams at coal mines;
煤矿采煤区队吨煤工资单价科学合理的确定
2.
Application of Saw Mining at No.43004 Coal Face in Dongfeng Coal Mine
锯式采煤法在东风煤矿43004采煤工作面的应用
3.
Top Coal Crushing Mechanism and Determination of Roof Caving Height in Roof Caving Workface
放顶煤工作面顶煤破碎机理及放煤高度的确定
4.
Study on Top Coal Caving Technology of Horizontal Section in Steep Seam in Weihuliang;
苇湖梁煤矿急倾斜综采放煤工艺研究
5.
Technology of Gas Outburst Elimination,Gas and Coal Dust Management with Water Injection in Coal Seam at Coal Face in "Three Soft" Coal Seam
“三软”煤层采煤工作面煤层注水消突治理瓦斯、煤尘技术
6.
New Technique of Driving Cross-cut through Coal Seam with High Bursting Danger
高瓦斯突出煤层石门揭煤后过煤门新工艺
7.
Code for the coal preparation plant design of coal mine industry
煤炭工业选煤厂设计规范
8.
clean coal: Coal produced by a cleaning process.
净煤:经清洗工序生产出来的煤炭。
9.
jet and mineral substitute for jet, worked
煤玉及煤玉的矿物质替代品,已加工的
10.
In the coal shaft the working-men pushed the coal cars sullenly.
工人们在煤矿里慢吞吞地推着煤车。
11.
Then a coal miner came by carrying a load of coal.
然后一个煤矿工人扛着一袋煤经过。
12.
Coal miners have to work in the depths of the earth.
煤矿工人必须在地表深处挖煤。
13.
Indirect Coal liquefaction--the Main Tendency Toward Coal Chemical Industry Development;
煤间接制油——煤化工发展的重要趋势
14.
Some issues on coal chemical industry development in coal enterprises;
煤炭企业发展煤化工若干问题的探讨
15.
Thinking about the Developing Stratagem of Chemical Engineering of Datong Coal Mine Group;
大同煤矿集团煤化工发展战略的思考
16.
Reflects on the Specialty Building of Coal & Coalbed Methane Engineering
关于煤及煤层气工程专业建设的思考
17.
Use the machine of clear away the coal on work face to improve the rate of coal recovery
工作面使用清煤器 提高煤炭回收率
18.
Study on Gateway Top Caving Technology for Steep-inclined Coal Seam
急倾斜煤层巷道放顶煤回采工艺研究