horizon mining

用法例句

The rational mining level and vertical height should be on the premise of the rational stage inclined length.

合理的开采水平垂高应以合理的阶段斜长为前提,并能使开采水平有必须的储量和合理的服务年限,井田开采有较好的技术经济效果。

Pressure character in caving steep-inclined and extremely thick coal seam with horizontally grouped top-coal drawing mining method;

急倾斜特厚煤层水平分层开采矿压特征

Study on Reasons of Rock Burst in Roadway and Prevention Technology of Steeply-inclined and Extremely Thick Coal Seam with Horizontally Slicing Way

急倾斜特厚煤层水平分层开采巷道冲击地压成因与防治技术研究

flat back cut and fill method

水平分层充填开采法

Analysis of instability characteristics of surrounding rock within horizontal section caving face in steep coal seam

急斜煤层水平分段综放开采围岩失稳特征分析

horizontal cut and fill stoping

水平分层充填采矿法

Tracking Research of Multi-branch Horizontal Well Technology at FanZhuang Coalbed Methane Region

樊庄煤层气多分支水平井开采技术跟踪研究

Study on Behavior of Superincumbent Strata in Mining 45 Degree Coal Seams Using Horizontal Section Top-coal Caving;

45°煤层水平分段综放开采上覆岩层移动破坏规律研究

Recover remaining oil from thick fluvial reservoir with horizontal wells

应用水平井开采河流相厚油层剩余油

No-operator Working Face Mining Research of Nearly Level Extremely Thin Coal Seam Being Difficult to Mine;

难采近水平极薄煤层无人工作面开采研究

Study on Gob-side Entry Retaining Technical with Horizontal Section Top Coal Caving in Steep-inclined and Very Thick Seam;

急倾斜特厚煤层水平分段综放开采沿空留巷技术研究

Study on Structure and Control of Surrounding Rock in Mining Steep Seams Using Horizontal Section Top-Coal Caving;

急斜煤层水平分段放顶煤开采围岩结构及其控制性研究

Study on Roadway Supporting Technology of Full-mechanized Sublevel-Top-Caving Mining for Steep Seam

急倾斜煤层水平分段综放开采巷道支护技术研究

Unite Mining Test and Application of Shallow Hole Shrinkage Stoping Method and Up Level Slicing Filling

浅眼留矿与向上水平分层充填法联合开采试验与应用

timbered horizontal cut and fill stoping

木支护的水平分层充填采矿法

top slicing combined with ore caving

下向水平分层崩落采矿法

A Study on Numerical Simulation Method of Pinnate Horizontal Multilateral Well for Coalbed Gas Recovery;

煤层气定向羽状水平井开采数值模拟方法研究

The Law of the Earth's Surface Movement of Crowd Exploitation on Closely Horizontal Coal Seam;

近水平煤层群开采地表移动规律的研究

Research on Evolvement of Shallow Groundwater System Impacted by Exploiting in North China Plain;

开采条件下华北平原浅层地下水系统演变研究

Study on Angle Parameters of Surface Movement in Flat Coal Seam Mining

近水平煤层开采地表移动角量参数研究