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- steeply inclined thick body 陡倾斜厚大矿体
- Water-coal mixture burst is a new mine disaster in exploiting steeply inclined thick coal seam mining. 摘要急倾斜厚煤层开采时发生的水煤体溃泄是一种新的矿井灾害。
- Application of the Horizontal Slicing Method in the Steeply Inclined Thick Seam with Large Outburst and Easy Spontaneous Fire 水平分层采煤法在高突易自燃急倾斜厚煤层中的应用
- Underground Pressure Behavior and Its Control of Long-wallFull-mechanized Caving Mining Field under Hard Roof in Steeply Inclined Thick Coal Seam 急-倾斜厚煤层坚硬顶板长壁综放采场矿压及控制
- Ground pressure behavior in top coal caving face supported by light hydraulic prop under condition of steep inclined thick coal seam 大倾角厚煤层轻放采场矿压显现特点
- steep inclined thick seam 急倾斜厚煤层
- The application scope of cut-and-fill mining is described which has extended from medium thick steeply inclined orebody to complex variable orebody. 论述了充填法采矿的应用范围,已从适用于中厚急倾斜矿体发展到适应复杂多变的矿体。
- The steep inclined accretion bedding may exist near front margin. 前缘可具向外陡倾的加积层理。
- In the mining process of medium thick steeply inclined orebody,changing the relative position of manway and pass on the stope face to suit the change of orebody can reduce the dilution rate. 在中厚倾斜矿体的开采过程中,改变人道和溜井在采场面的相对位置,可适应矿体的变化,降低贫化率。
- Due to the special natural reserve conditions of steeply inclined short_interval thick coal seams,it is difficult to adopt mechanical mining and have severe influence between different coal seams. 急倾斜近距离厚煤层因其特殊的赋存条件,导致难以实行机械化开采且开采时煤层间相互影响严重。
- A team of bulldozers lumbered up the steep incline. 一队推土机隆隆地开上了陡坡。
- Standing on a steeply inclined plot of land, this house articulates its layout of over 800 sqm in two volumes. 这座住宅有两层,超过800平米,坐落在一个较为倾斜的基地上。
- The gape of its mouth is very large and steeply inclined, being directed diagonally upward. 该裂口的嘴是非常大,急倾斜,目前指导角向上。
- The severe inclined thick coal seam,being its special geological storage conditions,is weakly extracted and the recovery rate is comparatively low. 急倾斜特厚煤层因其特殊的地质赋存条件,导致开采强度小,资源回收率低。
- They generations in the absence hotbed days without adequate food, the garb of thick body hair, vigilant inspections in the vast plateau. 他们世世代代在没有温床,没有充足食物的日子里,披着厚厚的身毛,警惕地巡视在广阔的高原上。
- This paper discusses the selection of supports of perpetual gateways in steeply inclined seams,and evaluates the support effects. 对急倾斜煤层中的永久性巷道的支护方式的选择及支护效果进行了系统研究。
- steeply inclined and extremely thick coal seam 急倾斜特厚煤层
- Extensively suitable for pour into , can pour into various kinds of liquid , glue the thick body etc. ing of various kinds of semifluid , lotion , sauced material including particle, have a lot of kinds of pouring into amount at your choice. 广泛适用于各种含颗粒的半流体、膏体、酱料的灌装、也可灌装各种液体、粘稠体等,有多种灌装量可供选择。
- The movement of top coal and top roof is discussed with the data observed from the caving mining of deeply inclined thick coal seam with horizontal section in Zhaogezhuang colliery of Kailuan Group. 就开滦集团赵各庄矿在急倾斜厚煤层采用水平分段开采过程中的现场观测,探讨顶煤和顶底板运移。
- This thesis analyses the reasons of the destruction of Yanbei colliery high pressure large span inclined thick coal seem roadways and probes the law of pressure distribution of this kinds of roadways. 本文对砚北矿高地压、大跨度、倾斜特厚煤层巷道破坏原因进行了详细分析,探讨了此类巷道的压力分布规律,并通过现场量测,证实了压力分析的正确性。
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