煤矿开采

Since the 20th century, the new technology revolution, along with the coal mining technology and equipment, rapid development.

20世纪以来，在新技术革命的带动下，煤矿开采技术与装备迅速发展。

Since the 20th century, the new technology revolution, along withthe coal mining technology and equipment, rapid development.

20世纪以来，在新技术革命的带动下，煤矿开采技术与装备迅速发展。

Came 30 days on August 26, 2008, by Chinese coal institutional mine measures coal of professional committee, China to learn colliery exploitation to damage syndicate of technical appraisement committee 2008 the whole nation " 3 " conference of coal mining learning saves the Changchun City to hold in beautiful Jilin, more than 120 expert that comes from countrywide college, scientific research and manufacturing unit, scholar and delegate attended plenary meeting.

梗概： 2008年8月26日至30日，由中国煤炭学会矿山测量专业委员会、中国煤炭学会煤矿开采损害技术鉴定委员会联合组织的2008年全国"三下"采煤学术会议在漂亮的吉林省长春市召开，来自全国高校、科研和生产单位的120余名专家、学者和代表参加了大会。

The aim is to end a coal-digging free-for-all that is blamed for a blighted environment and hundreds of deaths every year.

这一举措的目的是结束煤矿开采的混乱无序，这被谴责是造成环境毁坏和每年数百人伤亡原因。

This exhibition is a display of recent industrial achievements in Canada, as well as a showplace of our high-tech advances in such areas as aviation, machine tool, electronics, coal mining, power generation equipment, off-shore oil exploration, automobiles, covering all sections of Canadian industry.

这次展会展示的是加拿大近年来工业成果，同时也是反映加拿大工业界搞科技进步的一个窗口。展出的科技成果涉及了各个行业，例如：航空、机床制造、电子、煤矿开采、发电设备、近海石油勘探、汽车等产业。

A fluid-solid coupling simulation must be made when people do an experimental research on similar materials in a mining area coved with water, but it has been not succeeded because people have not found the long-term suitable coupling materials.

水下煤矿开采在进行相似材料实验研究时都应进行固液两相模拟，但由于对两相实验材料的研究一直未取得突破性进展而未成功。

This article tries to summarize experiences of the small collieries in mining shallow coal seam in north of Shanxi Province, and suggests to reform unadvanced mining of room and pillar to longwall remaining coal pillars support mining which can largely inprove the coal recovery rate.

在总结陕北煤田小煤矿开采浅部煤层经验的基础上，建议将落后的房柱式改革为长壁留煤柱支撑法开采，以较大幅度提高采出率。

It was shown that the variations of the stress field of rock strata,deformation and displacement of discontinuous blocks,strata collapse and abscises could be efficiently figured out by means of DDA.

应用DDA数值方法模拟分析了深部煤矿开采中上覆岩层的应力场变化和变形移动规律，并与相似物理模型试验进行了对比。

The coalfields and coal-mining geological conditions of the main coal-producing countries in the world are illustrated and compared in some detail.

摘要分析了世界主要产煤国家的煤田和煤矿开采地质条件。

Our products are broadly applied in mining, roadway bolting, road construction and oil drilling fields.

以上产品广泛用于煤矿开采、巷道支护、道路建设及石油钻探等领域。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了