向地层注入
the study of permeability and classification on infusion in coal seam
煤层注水渗透特性及其分类研究
besides pre-cracking coal, water infusion in coal seam has comprehensive effect on preventing coal dust and fire, however, the key of the water infusion is to determine water pressure.
煤层注水在开采中除能软化煤体外,还能起到防尘、防火及防瓦斯突出等综合效果,而在煤层注水中关键是确定注水压力的大小。
infusion test in coal seam and its effect analysis
煤层注水试验及效果分析
an experimental study on water infusion in coal seam at high pressure
煤层动压注水的现场实验研究
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