【摘要】 本文简要介绍了高稳定泡沫药剂及压注惰泡装置的性能。着重叙述了在老虎台矿综放工作面进行的压注惰泡井下试验情况及其效果分析。更多还原

【Abstract】 The paper gives a brief introdu- ction of the highly stable foam chemical a- gent and the inert foam pressurized injection instellation performance with emphasis being put on the underground test and the result analysis of the inert foam injeceion on the comprehensively mechanized roof-coal Cav- ing face of the Laohutai Coal Mine.更多还原