1) Mining height
采高
1.
Influence of mining height of main roof on broken length
采高对浅埋煤层老顶岩层破断距的影响
2.
Through mechanism analysis and test,the abnormal behavior on "caving mining with small rock pressure" is explained,and the theory on "large mining height with large rock pressure" is demonstrated.
通过对顶板断在煤壁里的机理分析和试验,采用了"煤壁支座加采场支柱支座"的方法解释了"放顶煤开采矿压小"的现象,研究了采高与矿山压力显现的规律,从而证明"采高大压力大"的理论是正确的。
2) large mining height fully-mechanized face
大采高综采
1.
On the basis of the analysis,the mechanical model for large mining height fully-mechanized face is established.
介绍了大采高综采工作面的矿压观测方法,通过现场矿压观测成果,对大采高综采工作面矿压显现特征及其规律进行了详细分析,建立了大采高综采工作面力学模型,并对工作面顶板分类和支架选型的合理性作了初步研究。
3) large mining height workface
大采高采场
1.
The distribution laws of stress fields and plastic failure with the distance of coalface advance in the large mining height workface are simulated by means of FLAC3D software,and the stress value in each unit is obtained.
通过FLAC3D软件对大采高采场工作面推进过程中煤岩内部应力场分布规律及其塑性破坏进行了模拟,并提取了各个单元的应力值,以此分析了大采高采场支承压力的分布特征,得出大采高采场支承压力分布规律。
4) large cutting height workface
大采高开采
1.
The balance structure of main roof and its action to immediate roof in large cutting height workface;
大采高开采上位岩层平衡结构及其对采场矿压显现的影响
2.
This paper introduces the state of the art and the development of thick seam mining techniques in details and the prominent achievements in top-coal caving and large cutting height workface in China.
详细介绍了我国厚煤层开采技术现状与发展历程,以及我国在放顶煤开采和大采高开采方面所取得的突出成绩。
5) usual mining
高采普采面
6) mining depth and mining height ratio
采深采高比
补充资料：采用高分子固体润滑剂加工冷拉的金属制品
采用高分子固体润滑剂加工冷拉的金属制品
采用高分子固体滤肯利加工j引j的垒甚制品 R瑚舛{段j。学高分于研：￡所供稿
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