open pit bench 中文意思是什麼

open pit bench 解釋
露天礦階段
  • 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...
  • pit : n 〈美國〉（桃、杏等的）核。vt （ tt ） 除去…的核。n 1 坑，凹地，凹處；【礦物】礦井；煤坑；【植物...
  • bench : n 1 長凳，條凳。2 船上的坐板；座，架，（木工、鉗工等的）工作臺；【礦物】（煤礦的）臺階，（礦的）...
  1. Some measures for reducing the rate of large boulder in bench blasting of open - pit are introduced in combination with bench blasting operation, dealing with blasting parameter, blasting materials etc. in yunfu pyrite mine

    摘要結合雲浮硫鐵礦臺階爆破生產實踐，從影響爆破作用的爆破參數和爆破材料等因素出發，介紹了降低臺階爆破大塊率的幾種途徑。
  2. Implementation of open - pit high - bench deephole blasting

    露天礦高臺階深孔爆破施工改進實例
  3. By using subarea - subsection mining method, multi - channel layout program, heidaigou open - pit coal mine has overcomed the technological continuity problems appearing in bench combination and has fully improved the capacity of existing equipments, so that the transportation distance has been reduced and enormous economic benefits have been gained

    在此過程中，黑岱溝露天煤礦通過分區分段開采、多通道布置等方案，克服了並段臺階工藝接續過程中出現的問題，最大限度的增加現有設備生產能力，減少運距，創造了巨大的經濟效益。
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