1) deep inclined seam with potential outburst
大倾角松软突出煤层
3) soft projecting coal seam
松软突出煤层
1.
This paper introduces the overall design scheme of the ZYW—1200R fully hydraulic mine drilling rig, and combining the characteristics of drilling along the soft projecting coal seams, outlines the designing thought and the structural patterns of the main components, the prototype experimental data in the laboratory and the held conditions.
介绍了ZYW-1200R型煤矿用全液压钻机的总体设计方案,并结合松软突出煤层顺层钻孔特点,简述了此钻机主要构成部分的设计思路及结构型式、样机实验室测试数据以及现场试验情况。
4) deep inclined seam
大倾角煤层
1.
Analysis on numerical simulation of bolt support for mining gateway in deep inclined seam;
大倾角煤层回采巷道锚杆支护的数值模拟分析
2.
Gateway and pillar top coal caving mining technology in deep inclined seam with thickness between 3.5 to 10m;
3·5~10m大倾角煤层巷柱式放顶煤开采技术
5) steep coal seam
大倾角煤层
1.
Based on the strata behaviors of steep coal seams, the forms of roof breakage and movement were studied.
根据大倾角煤层采场矿压显现特点 ,对采场顶板岩层的运动、破坏形式进行了研究 。
补充资料：松软
1.松散绵软。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条