room-and-pillar mining 中文意思是什麼

room-and-pillar mining 解釋
房柱法開采
  • room : n 1 室，房間。2 場所，席位，位置，地位，空間。3 餘地，餘裕；機會。4 〈pl 〉一套房間；寄宿舍；出租...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • pillar : n 1 柱；紀念柱；（柱）墩，柱腳；【礦物】（礦井中硬炭層或巖石形成的）礦柱，煤柱。2 柱狀物〈水柱，...
  • 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. Pillar drawing in room - and - pillar mining at jinshan gold mine

    金山金礦房柱法開採的礦柱回採
  2. Ground behaviour occured in mining of maluping ore block by new room - pillar with bolting in kaiyang phosphate mine are analyzed and control measures of ground pressure are put forward

    對開陽磷礦馬路坪礦段延伸開采工程中採用新型錨桿護頂房柱法出現的地壓顯現問題進行了詳細的分析，並提出了地壓控制措施。
  3. Analysis on developing new room and pillar mining method in shendong coalfield

    神東煤田發展新型房柱式採煤方法的分析
  4. Mining practices on coal pillar and room mining under two goaf and highway bridge

    基於上覆兩層采空區的公路橋煤柱條帶開采
  5. Technical analysis on feasibility of new room and pillar mining method

    新型房柱式採煤法可行性技術分析
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