1) the longwall goaf
长壁采空区
1.
In allusion to the damage zone of overlying strata and mining the left-over coal above the longwall goaf,through simplified plane model of mechanics,the damage zone of strata above the longwall goaf after coal mined was analytical analyzed.
针对长壁采空区上方岩层损伤影响范围及其遗弃煤层开采问题,用简化的平面力学模型,解析分析了煤层采出后长壁采空区上方岩层的损伤影响范围,并根据垂直方向上岩层的损伤影响程度按从大到小的顺序将采空区覆岩分为破损垮落带、损伤扰动带和无损变形带,获得了长壁采空区上方遗弃煤层上行开采的安全层间距计算公式。
2) horizontal longwall mining district
走向长壁采区
1.
This paper deals with the development and use of horizontal longwall mining district optimum design software based on thers’work as a tool of computer,a means of system engineering and a core of mining district optimum design.
在前人工作的基础上， 以计算机为工具， 以系统工程为手段， 以采区优化设计为核心讨论了走向长壁采区优化设计软件的研制和使用。
3) fully mechanized longwall coal mining
长壁综采
1.
The paper introduced the size, equipment, gateway arrangement and production of the fully mechanized longwall coal mining faces at home and abroad.
介绍了国内外长壁综采工作面的尺寸、设备、回采巷道布置及工作面单产的现状及发展趋势。
4) longwall mining
长壁开采
1.
China rely mainly on underground mining ,and longwall mining is play ing important roles in coal mining in China.
综述我国长壁采煤法的基本情况 ,重点分析长壁采煤法技术进展、长壁开采设备发展趋势和长壁开采技术在厚煤层中的应用 ,同时介绍了我国高产高效矿井长壁开采技术和经验。
2.
The authors elaborate the application of longwall mining with descentional ventilation at 7327 working face in the medium-thickness seam with big dip-angle,and point out the ways of fire prevention by giving even air pressure,burying pipe and gelatinizing,and using atomizing inhibitor.
论述沛城煤矿7327回采工作面大倾角中厚煤层下行通风长壁开采,采用均压、埋管注胶、雾化阻化剂等防灭火措施及效果,提出了采煤工作面大倾角中厚煤层长壁开采的防灭火方法。
5) longwall stripping
长壁剥采
6) longwall mining
长壁回采
1.
Numeric study of damage for the surrounding bed in longwall mining
长壁回采围岩破损规律的数值模拟研究
补充资料：走向长壁采煤法
见壁式采煤法。
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