巷道工祖
... 巷道交叉点:roadway junction 巷道工祖:heading face 巷道顶:roofing ...
掘进工作面
文章摘要信息 关键词 : 掘进工作面;随机轨道模型;颗粒相;温度场 [gap=1018]Keywords : heading face;stochastic trajectory model;particle phase;temperature field
掘进面
掘进面
矿用通风湿式变频除尘系统,用于对煤矿井下掘进工作面的空气进行除尘。
As forced draught was used, a distance less than 10 m from the venting duct to heading face was suitable.采用压入式通风时,风筒口距工作面在10米以内较适宜。
Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine.超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。