Room-and pillar mining method with small room and pillar.
小矿房、小矿柱的房柱法。
According to mining condition in Xinli mining area, the room and pillar filling method for large and thick ore-body is determined after research.
根据新立矿区开采技术条件,研究确定对厚大矿体采用分矿房矿柱分层充填法开采。
Aiming at the problem of drought and water shortage in north Shaanxi, we analyzed principles for designing room and pillar water-preserved mining method.
针对陕北干旱缺水的实际,分析了房柱式保水开采的设计原则。
This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.
本文提出了一种矿房矿柱阶段性连续回采,深孔放顶处理空区的采矿方法。
Based on field observations and theoretical analyses, the characteristic of periodic caving of immediate roof and main roof in a room and pillar system was analyzed.
通过理论分析和现场实测,对房柱式采煤的矿压显现规律及其特点进行了探讨。
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。
Enter the boiler room and pick up the CROWBAR hanging on the left arch pillar.
进入锅炉房,拿起铁撬左侧拱支柱悬挂。
An Olympic torch has pride of place in the middle of the room, photos line the walls and hundreds of notes cover the middle pillar of the Meihua Jiaren (Plum flower Family) Dumpling Restaurant.
在一个奥林匹克进行的城市当中有一个位于城市中间的小小房间,照片都挂在墙上而且还有很多留言,是的这里就是梅花家人。
The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
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。
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。
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。
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