open-cut mining 中文意思是什麼

open-cut mining 解釋
露天采礦
  • open : adj 1 開著的，開放的；可進入的，可分享的 （to）; 無蓋的，敞口的；敞開的；展開的；開的；開闊的，開...
  • cut : vt （cut; cutting）1 切，割，截，斬，砍（樹），剪（發等）；切斷，割下；採伐；剪下；修剪，刈。 I h...
  • mining : n 1 采礦，采礦業，礦業。2 敷設地雷[水雷]。adj 開礦的，采礦的。 a mining engineer 采礦工程師。 min...
  1. With the mining of no. 1 ore body which is solwly inclined, large and thick at the west flank of xinqiao pyrite mine as the example, analytic comparision is made between flat - back cut and fill stoping and sublevel open stoping with one - time delayed filling. the suggestion on the optimization of the mining and the discussion on appropraite mining method and the technical parameters of mining technology for slowly inclined large and thick ore body are also made

    以新橋硫鐵礦礦體西翼緩傾斜厚大礦體的開采為實例，對生產中應用的水平分層充填采礦法和分段空場嗣後一次充填采礦法進行分析比較，提出采礦方法的優化建議，探討緩傾斜厚大礦體合適的采礦方法和采礦工藝技術參數。
  2. Mining operations by open-cut methods ceased in 1962.

    露天開採的礦山作業已於1962年停止。
  3. Some relationships between open - off cut supporting and safety production of initial mining in working face

    淺談工作面切眼支護與初采期間安全生產的關系
  4. Application of bolt, steel mesh and anchor combined support to open - off cut of fully mechanized longwall mining face with top coal caving technology

    錨網索耦合支護技術在南屯煤礦綜放切眼支護中的應用
  5. Bolt with bar, mesh and cable in open - off cut in fully - mechanized mining face

    綜采切眼錨梁網索支護研究
  6. Application of bolt with cable in open - off cut in fully - mechanized mining face

    錨網索支護技術在綜采切眼中應用
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