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灌浆防灭火
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灌浆防灭火
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mine fire control by clay grouting
灌浆防灭火
将适宜粒度的固体惰性材料与水混合形成两相悬浮液,借助自然压头(压力、压强)或机械压头,沿专设的管路或钻孔压送至煤矿井下用以防火或灭火的技术工艺。
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quarter wave plate
quarter-wave plate
quartet
quartic
quartic curve
quartic equation
quartic equation with one unknown
quartic extension
quartic graph
quartic manifold
quartic parabola
quartic polynomial
quartic reciprocity theorem
quartic residue
quartics
quartic surface
quartic symmetric graph
quartic symmetry
quartic vertex-transitive graph
Quartier Latin
quartile
quartile coefficient
quartile deviation
quartile range
quartile skewness
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