2) fire pillar
防火矿柱
3) macro-horizontal jamb
水平矿柱
1.
2 Mine area,two mining levels with different altitudes were resulted from the backfilled mining in large hypogeal area without micro-jambs,and the ore-body between them called a macro-horizontal jamb was distinguished as seven mechanized panels.
金川二矿区采用大面积不留矿柱回填采矿法,开拓出不同标高的两个采矿面,其间为水平矿柱。
4) Water-resisting pillar
隔水矿柱
5) Horizontal ore pillar
水平矿柱
1.
Technology of cementation solidifying fills on recovering horizontal ore pillar;
利用注浆加固充填体技术回收水平矿柱
6) Horizontal pillar
水平矿柱
1.
Mining horizontal pillars with hydraulic roof propping in longwall caving method;
在长壁式崩落法中用液压支柱护顶回采水平矿柱
2.
The mining stability of horizontal pillars is the key technology related to the persistent and steady development of the No.
金川二矿区采用多中段大面积连续回采工艺,水平矿柱开采稳定性是关系到二矿区乃至整个金川集团公司能否持续稳步发展的关键技术问题。
补充资料：防水
1.犹防川。
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