working face

例句与用法

Analysis on possible water inrush in 340021 working face in peigou mine
裴沟煤矿340021炮放工作面水患分析
Water prevention and control in working face under water accumulated area
水淹积水区下工作面的安全防治水
Talking about hole cutting support style in comprehensine mining working face
浅谈综采工作面开切眼支护方式
Comprehensive preventive measures of gas in roof layer working face
交叉钻孔注水防突措施在掘进工作面的应用
A simple analysis of formation of coal pinching zone in no . 7501 working face
7501工作面煤层变薄带的成因浅析
Causes of large area roof - fall in working face and its prevention and control
回采工作面大型冒顶的原因及防治
Probing into comprehensive gas control technique in high gassy working face
高瓦斯工作面瓦斯综合治理技术探讨
Analysis and prevention of roof falling accident in combined caving working face
综放工作面冒顶事故分析及防治
Pressure laws and safety mining measures in 3052 working face of huojitu mine
活鸡兔井工作面矿压规律及安全措施
Practice on probe drilling water of working face goaf in deepening coal pillar
延深煤柱工作面采空区探放水的实践