open cut method 中文意思是什麼

open cut method 解釋
露天開采法
  • 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...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  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. Industrial test method of open - cut mine rotary blast hole drill

    露天礦用牙輪鉆機和旋轉鉆機工業試驗方法
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