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coal face 采煤工作面。

coal factor

Discussion of many problems about outburst prediction in coal face of baisha coal mining area 關于白沙礦區工作面突出預測預報諸多問題的探討

Kbj - 60 digital manometer adopted in strata control monitoring for the fully mechanized coal face 型數字壓力計在綜采工作面礦壓監測中的應用

Gas comprehensive management at fully mechanized caving coal face in high gas and breeding fire seam 高瓦斯自燃煤層綜放工作面瓦斯綜合治理

Preliminary test on prospecting of geological structure of coal face in no . seam of fenghuangshan mine 煤層工作面地質構造探測的初步試驗

Application of gas drainage technology by top roadway in controlling gas of coal faces 高抽巷瓦斯抽放技術在治理采煤工作面瓦斯方面的應用

Successful experiences of gas comprehensive mangement at the no . 111217 fully mechanized coal face 111217綜采工作面瓦斯綜合治理成功經驗

Reformation of auxiliary haulage system in fully mechanized coal face of wutongzhuang coal mine 梧桐莊礦井綜采工作面輔助運輸系統的改進

Application of using single hydraulic props as temporary support in room - and - pillar coal face 刀柱炮采工作面單體液壓支柱臨時支護方式

Setting - up and practice of methane monitoring transducer in coal face with blasting mining 淺談炮掘工作面甲烷監測傳感器的設置與實踐

Application of plow to realize high - productive and high - efficiency on thin coal seam coal face 應用刨煤機實現薄煤層工作面的高產高效

Rational selection of roadway support parameter for island coal face of deep coal mine 深井大采高孤島工作面兩巷支護參數合理選擇

Production practice of combined mining in fully mechanized coal face and blasting mining face 綜采面與炮采面聯合開采的生產實踐

Coal face machinery 采煤工作面機械

The calculation of displacement and deformation of the superincumbent strata above the coal face 采場上覆巖層移動變形值計算

Computer simulation research on working results of fully mechanized caving coal face 綜采放頂煤工作面生產效果計算機模擬研究

Practice of gas drainage from high - located holes in no . 746 coal face in tongting mine 童亭礦746回采面高位鉆孔抽放技術實踐

Application of gas drainage from holes along roof strike in high gassy coal face 頂板走向鉆孔抽放技術在高瓦斯回采面的應用

Basic methods for strengthening safe ventilation management in a high gassy coal face 加強高瓦斯采掘面安全管理的基本做法

Discussion of gas gathering process in preparative coal body to be mined in coal face 工作面預采煤體中瓦斯積聚過程探討