放頂 的英文怎麼說

中文拼音 [fàngdǐng]
放頂 英文
caving the roof
  • 放 : releaseset freelet go
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  1. Fire prevention and control of extra - inflammable thick seam with caving mining

    極易燃厚煤層放頂煤火災防治
  2. 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
  3. The design of light - duty roof caving coal hydraulic support equipped with flat tramcar

    輕型放頂煤液壓支架配套平板車設計
  4. Discussion on recovery working face first caving technique

    回採工作面初次放頂技術探討
  5. Alignment grows wall to put coal back work face to adopt regional security to mine of study

    走向長壁放頂煤回採工作面仰采區域安全開採的探討
  6. Inquiring into coal extraction by caving face with steel beam in extraordinary geologic zone

    型鋼梁放頂煤工作面在特殊地質構造區域採煤的探索
  7. Application of mining method with - beam cover caving in shannan colliery

    型梁放頂煤採煤法在山南井的應用
  8. On the cover caving in the sublevel caving of slightly dipped thick orebody

    緩傾斜厚礦體無底柱分段崩落法放頂方式探討
  9. Abstract : by applying the system reliability and ergonomics theory, the reliability mod el of the man - machine - environment system of roadway sub - level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity of the system are also provided

    文摘:應用系統可靠性和人-機工程學理論，建立了急傾斜煤層巷道放頂煤人-機-環境系統可靠性模型，給出了系統可用度和生產能力的計算公式。
  10. Talking about spreading combined mining roof coal technology at gentle inclined coal seam

    在緩傾斜煤層中推廣綜采放頂煤技術淺析
  11. A roof - coal - discharging test mining by predetonation in super high seam

    堅硬頂板特厚煤層預爆破放頂採煤試驗
  12. Study on distribution law of leaked air and oxygen content in the gob of fully mechanized coal face with caving mining

    綜采放頂煤工作面采空區漏風與氧氣濃度分佈規律研究
  13. Coal seam characteristics controlling combined caving technology

    煤層特徵對綜采放頂煤工藝的控製作用
  14. The application of waterinjection soften process of type steel caving coal

    型鋼放頂煤煤體的水軟化工藝技術的應用
  15. Technical condition of caving powered support

    放頂煤液壓支架技術條件
  16. Talking about single hydraulic prop caving coal mining

    單體液壓支柱放頂煤開采探討
  17. Practice on advance dewatering from roof

    新集一礦211108工作面超前疏放頂板水實踐
  18. As soon as shipping space is booked, we shall advise you of the name

    一等我放頂到艙位便會通知你方船名。
  19. With observation on the resistance of zwm - type grid - shaped walking hydraulic support on no. 7177 working face of kongzhuang coal mine, the load - carrying properties are analysised, measures for raising usage rate of the support working resistance have been put forward

    通過觀測孔莊礦井7177工作面zwm網格式液壓邁步放頂煤支架的阻力，分析了支架承載特性，提出了提高支架工作阻力利用率措施。
  20. Influence of the hydraulic support ' s beam length to the caving performance in the fully mechanized top - coal caving face

    綜采放頂煤液壓支架頂梁長度對頂煤可放性的影響
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