1. 煤层：coal sampling 煤炭取样 | coal seam 煤层 | coal separator 选煤机

2. 煤层(炭层)：煤层;炭层 coal bed | 煤层(炭层) coal-seam | 煤底土 coal seat

3. 厚煤層：Pest有害的動物,害蟲;有害的植物 | Coal seam厚煤層 | individuals matter個體問題

1. This paper introduced the hydrogeologic conditions of the Huainan coalfield and the Xinji coal mine, studied the water content of carbonic limestone, the impermeable ability of 1# coal seam floor and constructional details effect on controlling water.
    文章在分析淮南煤田和新集煤矿水文地质条件的基础上，对新集煤矿太灰岩富水性、底板岩层隔水能力以及构造控水特征等进行初步研究，判断1#煤开采过程中太灰水突出的危险性，分析可能的防治措施，为安全、高效开采1#煤层提供前期研究成果。

2. coal seam在线翻译

2. The technology of coal plough have been applied in the exploitation of medium-sized and thin coal seam through analysing and comparing the characteristic of cylinder mining machine and coal plough.
    对比分析了滚筒采煤机与刨煤机的特性，并将刨煤机开采技术运用于中等及薄煤层的开采中，提高了煤炭生产效率，实现了工作面采煤的全部自动化，具有广泛的推广和应用价值。

3. The method comprises: drilling injection freezing boreholes to coal seam with drilling equipment on coal mining working face of rock crosscut, arranging injection pipe lines along the injection freezing boreholes, and connecting a high pressure injection system to the injection pipe lines; starting the high pressure injection system, injecting to the coal seam to moisten coal; stopping injection when the coal seam is moistened, arranging low temperature freezing pipe lines, injecting and sealing holes to make the liquid full of the drilling holes, and starting a low temperature freezing system to freeze the coal seam; and beginning tunnel digging and coal mining work after coal being frozen.
    本发明的方法是，先在石门透煤工作面上用钻孔设备向煤层打出注液冻结钻孔，沿注液冻结钻孔安装注液管线，并将高压注液系统连接到注液管线上；启动高压注液系统，向煤层内注液使煤体湿润；当煤层湿润后，停止注液，安装低温冷冻管线并封孔注液，使液体充满钻孔，启动低温冷冻系统，使煤层冻结；当煤体冻结后，再开始巷道的掘进和揭煤作业。

4. To raise coal recovery ratio and solve the problems about full-seam mining in thick coal seam synthetically, presentsed a new full-seam mining method adopted the roadway layout of stagger arrangement without coal pillar according to theoretical study and mining practice.
    为提高煤炭资源采出率与综合解决厚煤层全高开采的技术难题，依据理论研究与生产实际，用新的理念提出了一种厚煤层无煤柱开采的错层位巷道布置采全厚采煤法，该方法已经应用于煤层倾角0～25°，煤质松软或中硬，自然发火期3～6个月以上的条件，安全生产1a多。

5. To meet the needs of the development of shearers in heavy duty and thick coal seam, the megawatt low-speed high-torque drive unit test system is required.
    针对采煤机向大功率、厚煤层方向发展的需求，研制开发低速大扭矩传动装置试验系统。

6. 911查询·英语单词

6. In coal geological exploration, to use only electr ic logging to determine coal seam has its limitations.
    在煤田地质勘探中，采用电测井方法确定煤层有一定的局限性。

7. danci.911cha.com

7. The part of a coal seam that is being cut.
    正在被开采的煤层截面。

8. coal seam的解释

8. There are coal, iron, sulfur, arsenic, lead, zinc, fluorite, Iceland spar, barite, crystal stone, gypsum, limestone, silica, clay and other 20 kinds of mineral resource. It also has proven the reserves of 3.3 billion tons of coal, There are rich seam for the development and utilization of coal-bed methane, coal-producing counties are key.
    境内有煤、铁、硫、砷、铅锌、萤石、冰洲石、重晶石、水晶石、石膏、石灰石、硅石、粘土等20余种矿产资源，已探明煤炭储量33亿吨，煤层中蕴藏着丰富可供开发利用的煤层气，是全国重点产煤县。

9. This paper analyzes on the developing regularity of the small and medium-sized faults in the coal seam of Huozhou mine area and the factors influencing their development, and simulates the developing regularity of the small and medium-sized faults by using the numerical simulation.
    主要分析了霍州矿区煤层中小断层发育规律及影响小断层发育的因素，并应用数值模拟方法来模拟小断层发育规律。

10. 911查询·英语单词

10. There is a conflict between multi-conditions of coal seam and single supporting type and caving position in full-mechanized caving mining currently.
    当前我国放顶煤综采存在煤层条件多样性与放顶煤支架支护型式和放煤位置单一化的矛盾。

11. coal seam

11. Based on the measured data the main characteristics of ground pressure in a sub-level caving face are as the following:(1) The working resistance of powered support is not greater than that of supports used in a single coal seam or in top slice of a coal seam; (2) The external load exerted on the support used in sub-level caving face generally moves forward.
      以放顶煤工作面实际观测资料为基础，论述了放顶煤工作面矿山压力显现的主要特征：（1）液压支架工作阻力不大于单一煤层或上分层开采时的支架工作阻力；（2）放顶煤工作面的支架外载荷普遍前移。

12. coal seam的近义词

12. Dip angle of coal seam leads to asymmetry of the movement, fracture of overlying strata and abutment pressure.
      煤层倾角的影响导致了采场上覆岩层的运动和破坏呈不对称，支承压力分布也明显不对称。

13. 好好学单词·英语单词大全

13. Based on the practical needs of coalmine, using comprehensive method, the strata behavior and control of coal seam with deep angle is researched systematically.
      作者结合现场实际需要，采用综合研究的方法，针对大倾角煤层开采的矿山压力显现规律以及岩层控制措施进行了系统研究。

14. Coal seam with deep dip angle is usually referred to the seam with dip angle between 30°～35°—45°～50°.
      大倾角煤层通常指倾角30°～35°—45°～50°的煤层，这类煤层在我国的煤炭产量和储量中均占很大的比重，随着采深的加大，这类煤层的开采比重有逐。。。

15. Many phenomenon due to deep dip angle coal seam mining are still explained very well. There are a lot of deep dip angle coal seam mining district in China, the problem of miming subsidence is very general, so the research is of theory mining and practical value.
      实践中，我国很多矿区有大量的倾斜煤层存在，倾斜煤层开采沉陷与变形预计问题普遍存在，需要我们对这类矿山的地表移动规律问题进行全面研究，因而该项研究具有重要的理论意义和生产实用价值。

16. /u0039/u0031/u0031/u67E5/u8BE2/u00B7/u82F1/u8BED/u5355/u8BCD

16. It is a new topic that rule of ground movement in deep dip angle coal seam mining, the coal seam angle is one of important factor of deciding the rule of ground movement, the overlying rock of steep coal seam mining have different homogeneousness in horizontal orientation.
      倾斜煤层是指煤层倾角在15°—55°之间的煤层，倾斜煤层开采地表沉陷移动规律是地表沉陷研究领域中的一个重要组成部分，煤系地层倾角是决定上覆岩层的移动和破坏形式及地表移动与变形程度的重要因素之一。

17. This paper adopts small-size indoor experiment of hydraulic fracturing to measure the coefficient of water-resisting of coal seam floor.
      开采受奥灰水威胁的煤层时，通常都把突水系数作为安全评价的依据，此方法存在一定局限性。

18. coal seam是什么意思

18. The Ordovician karst water is one of the hazards in the safe mining in North China. Mining above aquifer is one of the effective methods, which is used to exploit the coal seam threatened by water-inrush from floor.
      奥陶系岩溶水是我国华北矿区煤矿安全生产的一大隐患，而带压开采是开采受底板突水威胁的煤层的有效方法之一。

19. Introduced the geologic background of the Coal-Ge, and the distribution of Germanium in the coal seam.
      介绍了胜利煤－锗矿床的地质背景，以及锗在矿层的分布情况。

20. To settle the technical and social problems existing in Pingzhuang Western Surface Mine, we put forward the steep-slope cross mining and in-pit dumping to replace the original digging along strike and external dumping for deep coal seam.
      为了解决平庄西露天矿面临的技术问题和社会问题，提出了采用陡帮横采内排代替原有的纵采外排进行露天矿深部煤炭资源的开采方案。

1. a seam of coal