face of heading 中文意思是什麼

face of heading 解釋
掘進工作面
  • face : n 1 臉,面孔;面貌,樣子;面子,威信。2 愁容,苦臉;〈口語〉老面皮,厚臉皮。3 外觀,形勢,局面。4...
  • of : OF =Old French 古法語。
  • heading : n 1 標題,題名;題詞,信紙上端所印文字。2 斬首;(魚)去頭;(植物的)打尖,摘心。3 【建築】露頭...
  1. The development of local fan integrated control system in heading face

    掘進工作面局扇集成控制系統的開發
  2. Brief description of preparation of operation enstruction for heading face

    淺述掘進工作面作業規程的編制內容
  3. Economic compartison of series and parallel ventilation in mine heading face

    礦井採掘工作面串並聯通風的經濟比較
  4. Infection of spray to reduce dust on humidity distribution of air in heading face

    噴霧降塵作業對掘進工作面空氣濕度分佈的影響
  5. This method has the advantages of no need of dismantling the cutterhead at heading face place, no need of setting up vertical shaft or operation corridor, less construction difficulty, quick reparation and low cost

    該方法無需在掘進面拆解刀盤、建豎井或工作廊道,施工難度小,修復速度快,費用低。
  6. After comparing three repair scenarios, the following methods were chosen : injecting modified mud to heading face through mud supply tubes of the shield construction machine to block water seepage on the heading face ; then maintenance worker entering the cabin under pressure to replace damaged seal and press cutterhead

    經分析對比,最終選擇了從盾構機供漿管道向刀盤掘進面壓注改性泥漿,對掘進面進行封堵止水,維修人員帶壓進艙,更換密封與壓盤的方法。
  7. Simulation on flow field characteristic of restricted wallattached jet in heading face

    獨頭巷道受限貼附射流流場特徵模擬實驗研究
  8. Based on rheologic and mutative mechanism of coal and gas outburst, this article discusses the forecast of outburst danger of in 7 ( superscript # ) coal heading face of jinjia mine by adopting coal and gas outburst volume dynamic index after blowing out. it determines the index critical value, and also presents the tentative testing result

    摘要基於煤與瓦斯突出流變突變機理,探討了金佳礦7 (上標# )煤層掘進工作面採用放炮后落煤瓦斯湧出量動態指標預測突出危險性,確定了指標臨界值,並介紹了初步試驗效果。
  9. Gas outburst prevention technology in high gassy gateway heading face of quot; three soft quot; instability coal seam

    不穩定煤層高突區域掘進工作面瓦斯綜合治理
  10. Preliminary application of gas pre - drainage from coal seam by long holes in heading face to prevent coal and gas outburst

    掘進工作面應用長鉆孔預抽煤層瓦斯防止煤與瓦斯突出的效果
  11. Application of dynamic pressure water injection technology for coal winning face or heading face in daping mine

    採掘工作面淺孔動壓注水技術在大平礦的應用
  12. The paper introduces the progress and the statue quo of tunnel portal construction, discusses the condition to employ full face method, bench cut method, single side heading method and double sides heading method of portal construction, points out advantages and disadvantages of these methods. the order to adopt these methods of single track, double track and tri - track tunnel in shallow - depth, uneven pressure and incompact ground is also advised after compare

    討論了全斷面法、臺階法、單側壁導坑法和雙側壁導坑法在隧道洞口段施工中的使用條件和優缺點,對這四種施工方法從各個方面進行了比選,提出了單線、雙線和三線隧道的洞口段處于淺埋、偏壓、鬆散的地層中時各種施工方法選擇的先後順序。
  13. Inquisition of forecasting dangerousness of heading face outburst by drillings and coalbed temperature indices

    用溫度指標預測掘進工作面突出危險性的探討
  14. Support technology for gob - side entry retaining along advanced gateway heading of retreat slicing face

    人工強制放頂沿空留巷技術及其應用
分享友人