1) high cutting mining
大段高开采
1.
With the similar simulation test,a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.
通过相似模拟试验,对大段高开采条件下顶煤体靠底板侧煤体弱化程度不同情况下的工作面采出率进行了模拟研究。
2) 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。
3) long wall with top coal caving with great mining height
大采高综放开采
1.
Theory study on the load on support of long wall with top coal caving with great mining height in extra thick coal seam
特厚煤层大采高综放开采支架外载的理论研究
4) high water cut stage
高含水开采阶段
1.
Reservoir subdivision and correlation at high water cut stage——taking Es_2 formation of Liang 11 fault block of Dongying Depression as an example
高含水开采阶段储层精细划分与对比——以东营凹陷梁11断块沙二段为例
5) high seam caving mining
大采高放顶煤开采
6) high section caving
高阶段放顶煤开采
补充资料:大段
1.大部分。 2.形容数量多。 3.重要的;主要的。 4.犹大略﹐大体。 5.犹言十分。 6.较长的段落。 7.谓绣缎。段﹐通"缎"。
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