macrohorizontal jamb

用法例句

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

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

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。

This thesis combined the practice of -240 meters mid section level pillar stooping, study the pivotal stooping problem with upward slicing fill method.

本文结合凤凰山铜矿-240m中段水平矿柱回采实践,进行了上向分层充填法矿柱回采关键问题研究。

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。

Ground Pressure Monitor and Pillar Robbing Technology in Dangping Baoshan Mining Region

荡坪钨矿宝山矿区水平矿柱地压监测与回采技术研究

Application of GSI in Evaluating the Mechanical Parameters of Jointed Rock Mass--A case study of horizontal ore pillar in No.2 Mine Section of Jinchuan

GSI在节理化岩体力学参数评价中的应用——以金川二矿区水平矿柱为例

The upward horizontal slice stoping and filling without intervening pillar is the main mining method in Huangshaping Pb-Zn Mine.

上向水平分层充镇无间柱采矿法是黄沙坪铅锌矿的主要采矿方法。

Stability Analysis on-693m Level Insulating Pillar of Deep Excavation of Chambishi Copper Mine

谦比希深部开拓-693m水平隔离矿柱的稳定性分析

Study on Technology of Large Access Upward Horizontal Layer Cut and Fill Stoping with Hydrualic Props Roof Supporting

水压支柱护顶大进路上向水平分层充填采矿工艺技术研究

Scheelite, Cassiterite and Beryl from Pingwu, Sichuan Province

四川平武的白钨矿、锡石和绿柱石宝石

A horizontal or nearly horizontal passageway in a mine running through or parallel to a vein

水平巷道穿过矿脉或与矿脉平行的矿井中水平或近似水平的巷道

Rapid holding and control for special large water inrush from sink hole in Dongpang Mine

东庞矿陷落柱特大突水灾害快速治理

Study on the Reclimaning of Fault Waterproof Coal Pillar in Mafang Mine;

马坊煤矿断层防水煤柱开采回收研究

Technology of Hazardous Water Control from Permeable Sinking Columns in Relou Coal Mine;

任楼煤矿导水陷落柱的防治技术研究

The growing feature and the prevention and the cure of water harm of collapse column in XingTai mining area

邢台矿区陷落柱发育特点及水害防治

Safe Mining Feasibility of Permanent Waterproof Jamb in Kangjiawan Mine

康家湾永久防水矿柱安全开采可行性

pillar robbing

【采矿】回收矿柱法

Analysis and Prevention and Cure of Admission and Diversion of Water in Bei Xulou Coal Mine;

北徐楼煤矿陷落柱充水、导水性分析及防治

strip-borer drill

露天矿水平炮眼钻机

horizontal underground passage in a mine

（矿坑中的）水平巷道.

horizontal cut and fill stoping

水平分层充填采矿法

excavate horizontally, in mining.

在矿业中水平地挖掘。