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- Mining Thin Coal Bed with Fully Automated Plow 应用全自动化刨煤机开采薄煤层
- thin coal bed high production and high effection 薄煤层高产高效
- Thinking on the Exploitation of Thin Coal Bed in Huainan Diggings 淮南矿区薄煤层开采的思考
- Clean and Fast Construction Technology for Strap-laneway of Thin Coal Bed with Hard Upper Plank 坚硬顶板薄煤层皮带巷洁净快速施工技术
- Practice on Uphill Low Support Synthesis Mechanization Extraction of Near Distance Thin Coal Bed 近距离薄煤层上行低综开采实践
- thin coal bed 薄煤层
- extremely thin coal bed 极薄煤层
- It is a new way of the utilization of coal bed gas. 为井下抽放煤层气的利用提出了一条新的途径。
- Coal Bed Methane Drilling and Completion Technology in Western Basin of U.S. 美国西部盆地煤层气钻井和完井技术。
- 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。
- Preliminary research on structural law of coal bed beneath nappe in No. 对新集二矿推覆体下煤层构造规律进行了初步研究。
- The technology of roadway protection with coal waste residue concrete and application in thin coal seam are introduced. 介绍了煤矸渣混凝护巷技术及其在薄煤层中的应用。
- Graphite deposit of Heye was formed by metamorphism of the Permian coal bed. 荷叶石墨矿是由二叠系煤层变质而成的石墨矿床,石墨与煤呈同层异矿关系。
- The reserves of thin coal seam shearer and the developing trend of coal seam shearer of our country are analysed. 分析我国薄煤层储量以及薄煤层采煤机的发展状况及趋势。
- Using individual hydraulic prop in thin coal seam face is better than the others in the aspect of support strength,premary supporting force,shrink amount and safety. 在薄煤层工作面中使用单体液压支柱，在支护强度、初撑力、可缩量、安全保障及操作人员安全上，都优于其它单体支护材料。
- Several coal beds are developed in backswamp deposits. 河漫沼泽上发育多套煤层。
- How to extract thin coal seam remains a problem faced by all hydromines.Hydraulic mining of such seam in a hydromine proves to be superior to the conventional mining method. 薄煤层如何开采是水采矿井共同面临的一个问题,在水采矿井搞水采比搞旱采有优势。
- For measuring exactly on gas content of coal bed,required high core recov ery and short time to hoisting and loa ding. 为了准确测定煤层含气量,要求取心作业必须有高的收获率和尽可能短的提钻及出筒装罐时间。
- The craft manner of full-mechanized mining in thin coal seam is reformed and optimized by computer simulation, optimization and spot test in this paper. 通过计算机模拟、优化和现场实测，对薄煤层综采工艺方式进行了改造和创新，优化了薄煤层综采工艺方式。
- This article recommends a mining technology for thin coal seam with mixed mining,exceeding length and double unit face mining method innovated by Tianchen coal mine. 本文介绍了田陈煤矿创新的综采与普机采混合、工作面超长布置、对拉、旋转调采、矩形和梯形不规则形状的薄煤层开采技术;
