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mine fire control by clay grouting
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mine fire control by clay grouting
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矿内火灾防治
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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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更新时间:2026/9/10 4:53:01