x
uploads/working face.jpg

working face (采礦等的)工作面。

working mean

A study on the mine pressure law on the dead soft blast layer working face 極軟煤層輕放開采工作面礦山壓力顯現規律分析

Application of reformed transporting system in working face with back niclined structure 背斜構造工作面運輸系統的改造

Management method to increase mining ratio of incline working face with caving 傾斜放頂煤工作面提高采出率的管理辦法

Application of goaf - side entry retaining technology in coal mining work face 我國沿空留巷支護技術發展現狀及改進建議

Research and application of working face unstable roof treatment technique 采煤工作面不穩定頂板治理技術的研究與應用

Head face roof control technology in very complex structure seam working face 極復雜構造煤層工作面端面頂板控制技術

Application of matlab in the predication of coal and gas outburst in working face 在工作面煤與瓦斯突出預測中的應用

Rational arrangement about district sublevel entry in top - slicing working face 放頂煤工作面區段平巷位置的合理布置

A simple analysis of decompression ventilation in working face of dabagou mine 大巴溝井回采工作面采用泄壓通風初探

Practice of comprehensive mining precedure in waste - sandiwich seam working face 含夾矸薄煤層工作面綜采工藝實踐

Practice on probe drilling water of working face goaf in deepening coal pillar 延深煤柱工作面采空區探放水的實踐

Pressure laws and safety mining measures in 3052 working face of huojitu mine 活雞兔井工作面礦壓規律及安全措施

Analysis and prevention of roof falling accident in combined caving working face 綜放工作面冒頂事故分析及防治

Probing into comprehensive gas control technique in high gassy working face 高瓦斯工作面瓦斯綜合治理技術探討

Causes of large area roof - fall in working face and its prevention and control 回采工作面大型冒頂的原因及防治

A simple analysis of formation of coal pinching zone in no . 7501 working face 7501工作面煤層變薄帶的成因淺析

Comprehensive preventive measures of gas in roof layer working face 交叉鉆孔注水防突措施在掘進工作面的應用

Talking about hole cutting support style in comprehensine mining working face 淺談綜采工作面開切眼支護方式

Water prevention and control in working face under water accumulated area 水淹積水區下工作面的安全防治水