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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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pairwise incompatible events
pairwise independent
pairwise independent events
pairwise independent Hash functions
pairwise peculiar velocity dispersion
pairwise sequence alignment
pairwise sufficient σ-field
pairwise transitive group
pairwise velocity dispersion
Paisii Hilendarski/ Paisius of Hilendar
Paiwan language
Paizi Luo Suona with gong and drum ensemble music
paj
Pajai
pajamas
Pakaraima Mountains
Pakhal Tirumal Reddy
Pakistan
Pakistan aviation
Pakistan Broadcasting Corporation:PBC
Pakistan dance
Pakistani cinema
Pakistanis
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Pakistan Peoples Party
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