seam blasting 中文意思是什麼

seam blasting 解釋
縫隙爆破
  • seam : n 1 縫；線縫。2 介面；接縫；接合處；接合線。3 裂縫。4 （臉上的）皺紋。5 傷痕。6 【造船】（船板間...
  • blasting : 爆破工程
  1. Research and application of blasting mining, caving coal, large indination, thick coal seam and overhand mining technology

    炮采放頂煤大傾角厚煤層仰采技術研究與應用
  2. The technical specification in driving the cross - cut an outburst seam by the concussion blasting method

    石門揭穿突出煤層震動爆破技術條件
  3. Test and research on blasting mining in thin seam of liangzhuang mine

    良莊煤礦薄煤層炮采試驗研究
  4. Practice on drilling blasting mining replaced by caving mining with light hydraulic supports in soft roof, soft coal and soft floor seam

    煤層中炮采改為輕放開採的切眼支護實踐
  5. Longwall and longhole blasting coal mining method for difficult mining seam

    難採煤層巷道長壁長孔爆破採煤方法簡介
  6. High productivity and efficiency measurment in working face of thin coal seam with blasting

    薄煤層炮采工作面高產高效措施
  7. Test on blasting parameter optimization of coal blasting mining face in thin seam with partings

    含煤矸石薄煤層炮采面爆破參數的優化試驗
  8. Discovery and practice on high output and high efficiency of blasting mining face in thin coal seam

    薄煤層炮采工作面高產高效的探索與實踐
  9. Practice of using deep - hole presplitting blasting technology to drainage methane from extremely - thick coal seam with low permeability

    深孔預裂爆破強化抽放低透氣性特厚煤層瓦斯的實踐
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