roof of drift 中文意思是什麼

roof of drift 解釋
平巷頂板
  • roof : n 1 屋頂,房屋;家屋。2 (放行李的)車頂;笠形罩。3 上頜。4 最高部,頂部;【礦物】頂板。5 【航空...
  • of : OF =Old French 古法語。
  • 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...
  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. 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
  3. Analysis of bolting with wire mesh technology from roof fall of letting gas drift

    從排放瓦斯巷道冒頂事故分析錨網支護工藝
  4. 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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