room and pillar mining的意思|示意
房柱式采煤法
room and pillar mining相关短语
1、 high-face room-and-pillar mining 高工作面房柱式开采
2、 triple-heading room-and-pillar mining 三平巷房柱采矿法
3、 triple-entry room-and-pillar mining 三进路房柱式采矿法
4、 room and pillar mining method 房柱式开采
5、 room-and-pillar mining method 房柱采矿法
6、 artificial room-and-pillar mining 人工壁柱房柱法
7、 Room-and-pillar mining with overcut 切顶房柱法
8、 shallow hole room-and-pillar mining system 浅孔房柱采矿法
9、 Sublevel Medium-long room-and-pillar mining 中深孔分段矿房法
room and pillar mining相关例句
The theoretical formulas are developed and applied to the prediction of the rock mass displacements and deformations due to underground mining by pillar-and-room method in mountain areas.
在实测资料统计分析基础上，建立了高陡山区房柱法地下开采岩体移动变形预测分析模型，并给出了岩体变形破坏的极限值。
Bolting manual pillar and room method is a good future method of mining Mn ore body of medium thickness and small pitch.
人工柱锚杆房柱法是一种有前途的开采中厚缓倾斜锰矿床的采矿方法。
We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
将房柱式开采和膏体充填开采的优点相融合，提出了点柱式膏体充填采煤方法。