Hydraulic extraction

用法例句

On the basis of the strata control measurement of the actual mining roadwaywith hydraulic mining and its analysis of the economic benefit,this paper determines the sup-port types of hydraulic mining roadway with optimization.

在水力采煤回采巷道矿压观测及经济效益分析的基础上，优选了水采巷道支护类型。

Tackling gas about thick coal seam small stage hydraulic mining;

厚煤层小阶段水力采煤瓦斯治理

This paper presents the design principle of the experimental bench of the squirt gun used in borehole hydraulic mining.

介绍了钻孔水力采矿射流水枪试验台的设计原理 ,在该试验台上可以模拟水枪在大气中的自由射流、模拟无压流体淹没条件下的射流以及模拟有压流体淹没条件下的射流等。

Application of Hydraulic Coal Mining in Guhan Joint Venture Coal Mine

水力采煤在襄垣古韩联营煤矿的应用

The extraction rate of coal in hydraulic coal mining is subject to the influence of a number of factors, and it varies widely, bepending on mining conditions.

水力采煤的原煤采出率有很多影响因素,由于开采条件不同,采出率差距很大。

Hydraulic Coal Mining Proves to Be an Effective Method for application in Mines with Extremely Complicated Geological Conditions

地质构造极复杂矿井采用水力采煤是一种有效的途径

Technology Application Study on Hydraulic Pressing in Coal Face of Medium Hard Seam

中硬煤层采煤工作面水力压挤技术应用研究

A General Discussion on Layout of Workings in Hydromining Composite Seams with a Large Dip Angle

水力开采大倾角煤层群巷道布置的探讨

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

Analysis on the potential of the carbon dioxide-enhanced coalbed methane (CO_2-ECBM) recovery in the Qinshui basin

利用CO_2-ECBM技术在沁水盆地开采煤层气和埋藏CO_2的潜力

CBM development potential of high rank coal with reference to Qinshui coal field,Shanxi

高煤级煤的煤层气开发潜力——以沁水煤田为例

Comprehensive Prevention and Control Technology of Goaf Water for First Coal Pillar Mining Face in Mining Dip Gateway

回采下山巷道煤柱首采面采空水综合防治技术

Technology of Gas Outburst Elimination,Gas and Coal Dust Management with Water Injection in Coal Seam at Coal Face in "Three Soft" Coal Seam

“三软”煤层采煤工作面煤层注水消突治理瓦斯、煤尘技术

They fxtract ten million ton of coal each year from underwater mines

他们每年从水下煤矿中采掘一千万吨煤

They extract ten millions ton of coal each year from underwater mines.

他们每年从水下煤矿中采掘一千万吨煤。

Coal mining production process and control the impact of groundwater

煤矿采煤生产过程对地下水的影响与防治

Risk evaluation of water inrush from seam floor during mining of lower group in Zhaizhen coal mine

翟镇煤矿下组煤开采底板突水危险性评价

Evaluation on 3~# coal mining with water pressure condition in Guhan coal mine

古韩联营煤矿3~#煤层带水压开采条件评价

The development and prospec of safe technology on excavating coal under water in china

我国煤矿水体下安全采煤技术的发展及展望

The discussion about waterproof mine columniationpillar width in Small coal mines bare area

小煤窑采空区留设防水煤柱合理宽度的探讨

Influence and prevention on the fault of overburden rock to water-preserved mining in shallow seam

浅埋煤层覆岩中断层对保水采煤的影响及防治