drift coal 中文意思是什麼

drift coal 解釋
漂積煤;移積煤
  • drift : n 1 漂亮;(潮流的)推進力。2 漂流物;吹積物;堆積物;【地質學;地理學】冰磧,漂礫。3 傾向,趨勢...
  • 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 ...
  1. Practices on bolt, mesh, anchor and beam support in coal drift under unstable roof condition of cataclastic rock mass

    不穩定頂板煤巷錨網索梁支護實踐
  2. Fenmeihui from drift - chu, iron, powdered coal in the comprehensive development and utilization

    粉煤灰提取漂珠,鐵粉,粉煤在綜合開發與利用。
  3. Application of controlled blasting in drivage of coal - rock drift

    在半煤巖巷道掘進中的應用
  4. Numerical simulation of distribution regularities of dust concentration during the ventilation process of coal drift driving with exhaust ventilation

    抽出式通風煤巷掘進過程中粉塵濃度分佈規律的數值模擬
  5. Combined support system applied to mine 1 coal drift in liyuan coal mine

    聯合支護在梨園礦二1煤層巷道中的應用
  6. Roof supporting of thick coal drift in sitai mine

    四臺礦厚煤層綜采順槽及切眼頂板支護問題探討
  7. Numeric analysis of the gas emission lengths of coalwall in the coal drift

    煤巷瓦斯預排深度數值模擬分析
  8. Anchor belt net and cable support technique in coal drift of combined roof with coal

    含煤復合頂板煤巷錨帶網索梁支護技術
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