Application of magnetized water in coal seam water infusion 磁化水在煤层注水中的应用
Application of water infusion blasting to demolishing underground pile shaft 水介质爆破拆除地下桩体的实践
Effect analysis on dynamic pressure water infusion for handling gas in coal face 采面煤层动压注水处理瓦斯的效果分析
Application of across - drillhole water infusion to prevent gas outburst in excavating face 顶分层工作面瓦斯综合治理措施
Analysis on effectiveness of static seam water infusion for treatment of coal dust and gas in working face 采煤面煤层静压注水处理瓦斯煤尘效果分析
Analysis on trial results of water infusion technique by adding penetration stick in taoyuan coal mine 添加渗透棒注水技术在桃园煤矿的试验效果分析
Based on the principle , the preventive scheme was put forward by stage and combining water infusion with grouting 给出了该条件下增加煤体孔隙率,减少瓦斯、空气流通通道的防治原则。
Study of determination method on water infusion parameters of water pre - infusion treating top coal in fully mechanized sub - level caving mining 综放开采预注水处理顶煤的注水参数确定方法研究