您要查找的是不是：
- super thin coal seam 极薄煤层
- thin coal seam super day labor makes noodles 薄煤层超长工作面
- 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。
- 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。
- 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。
- 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;
- This mining technology is innovations in the layout of this kind working face,mining method and technologies act and solves many technological difficult problems for the thin coal seam mining. 该开采技术在工作面巷道布置、开采机械、采煤方法、回采工艺等开采技术上进行综合创新,解决了薄煤层开采的技术难题。
- The technology of coal plough have been applied in the exploitation of medium-sized and thin coal seam through analysing and comparing the characteristic of cylinder mining machine and coal plough. 对比分析了滚筒采煤机与刨煤机的特性,并将刨煤机开采技术运用于中等及薄煤层的开采中,提高了煤炭生产效率,实现了工作面采煤的全部自动化,具有广泛的推广和应用价值。
- Application of plough in thin coal seam face 刨煤机在薄煤层工作面中的应用
- 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。
- Application of thin coal seam plough 薄煤层刨煤机的应用
- full-mechanized mining in thin coal seam 薄煤层综采面
- hydraulic support in the thin coal seam 薄煤层液压支架
- Application of Homemade Slicer in Mining Thin Coal Seam 国产刨煤机在薄煤层开采中的应用浅析
- Application of air bag support in Taiyuan thin coal seam 气垛支架在太原组薄煤层中的应用
- Research on large power conveyer used in thin coal seam 薄煤层大功率刮板输送机的研制
- Keywords thin coal seam;blasting face;big cirle job; 薄煤层;炮采工作面;大循环作业;
- The thinned coal seams are not only of directional characteristics,isometric characteristics,but also show superimposed compounds from different directions. 煤层变薄带不仅在平面上的展布具有方向性、等距性和分区性等特点，而且还表现为不同方向的叠加复合。
