floor of coal seam 中文意思是什麼

floor of coal seam 解釋
煤層底板
  • floor : n 1 地板，地面。2 （樓房的）層。3 （船底的）肋板。4 （海洋、山洞等的）底。5 議員席；經紀人席。6 ...
  • of : OF ＝Old French 古法語。
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  • seam : n 1 縫；線縫。2 介面；接縫；接合處；接合線。3 裂縫。4 （臉上的）皺紋。5 傷痕。6 【造船】（船板間...
  1. Analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam

    三軟煤層綜采長壁工作面采場礦壓分析
  2. Application of multifunction plank with trapezium - shed on supporting in seam with soft roof, floor and coal

    梯形棚多功能墊板在三軟煤巷支護中的應用
  3. Through analyzing on the different phenomena of gas pouring amount at different coal seam, different area at the same seam, different position at the same area, the coal thicknss, inclined angle, structure, roof and floor rock character and water content in coal est. geology factor are regarded as the main reason of effecting the gas pouring amount

    通過對不同煤層，同一煤層不同區域，同一區域不同地點瓦斯湧出量有很大差異現象的分析，認為煤層厚度、傾角、構造、頂底板巖性、煤中水分等地質因素是影響瓦斯湧出大小的主要原因。
  4. Elementary analysis on occurrence condition of floor limestone water in no. 6 coal seam of shuoli mine

    朔里礦6煤層底板灰巖水賦存情況淺析
  5. The hardness and thickness of coal seam play a great role in the vertical distribution of stress in coal and the occurrence of rock bunt under the condition of hard roof and hard floor

    在「兩硬」條件下，煤層厚度與硬度的變化對煤體中的應力分佈有著很大的影響，從而對煤巖體系統中沖擊礦壓的發生有著很大的影響。
  6. Testing methods of floor compressibilities for coal mining face under conditions of gently inclined seam

    緩傾斜煤層採煤工作面底板抗壓入特性測定方法
  7. Experiment of supporting with meshing and bolting for entry driving along gob side within soft roof, soft floor and soft coal seam

    煤層沿空掘巷錨帶網支護的應用研究
  8. Analysis of the rational mining process with caving method for the extremely unstable coal seams soft seam, soft roof and soft floor

    三軟極不穩定煤層合理采放煤工藝分析
  9. Mine electrical method exploration for floor water bursting area of overgrown faults mining face in thin coal seam

    薄煤層斷層發育工作面底板突水區井下電法探測研究
  10. Technological management of grouting reconstruction of coal seam floor within rich aquifer region

    工作面底板注漿改造在富水異常區內的技術管理
  11. Continuous exploration for the mining failure form of the incline and thin coal seam s floor under the high depth

    大采深傾斜薄煤層底板采動破壞形態的連續探測
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