1) artificial coal seam roof
煤皮假顶
2) false roof
假顶
1.
The application of plate theory in analysing the stability of stope′s false roof;
薄板理论在采场假顶稳定性分析中的应用研究
2.
The roof slice longwall method increases the work of laying false roof for next slice.
长壁采煤法的采煤工艺具有多重特点:顶分层采煤增加了要为下分层填设假顶的工作。
3.
In slicing seams,bolt supporting was utilized under false roof and obtained good result.
介绍在分层开采煤层中 ,在假顶条件下实现锚杆支护。
3) top coal
顶煤
1.
Research on loose blasting technology for top coal;
顶煤松动爆破技术的研究
2.
Analysis on three feature deformation parameters and multi damage of top coal in fully mechanized caving mining;
综放开采顶煤的三个特征变形参数及多次损伤分析
3.
Determination of working resistance of support under different top coal conditions;
不同顶煤条件下支架工作阻力的确定
4) roof-coal
顶煤
1.
From the influencing factors,the falling capability of roof-coal is studied systematically by finite element numerical analysis and observations in-situ.
从影响顶煤可放性的因素出发,结合现场观测,采用有限元数值分析方法,系统地研究了顶煤的可放性,并运用建立的顶煤可放性预测模型,对济宁二号煤矿的顶煤可放性进行了预测。
2.
This paper studies the failure mechanism of roof-coal in abutment presure according to the basic principle about rock deformation and roct mechanics.
本文以岩石力学关于岩石变形破坏的基本原理为基础,研究了在支承压力作用下顶煤破碎机理。
6) roof coal
顶煤
1.
Analysis on roof coal activity rule in compound mining face;
综放工作面顶煤活动规律分析
2.
Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
分析了放顶煤开采顶煤冒放性的影响因素。
3.
The paper discusses the roof coal breakage principle,deformation breakage and retrieval law and analyzes factors affecting cover caving ability.
论述了综放开采的顶煤破碎机理、变形破碎及回收规律；分析了影响煤层可放性的因素；介绍了煤层可放性分级评价的几种方
补充资料：顶花皮
1.动物脑袋上有花纹的皮毛。
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