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mine fire control by clay grouting
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mine fire control by clay grouting
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工学
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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Hangzhou Arts and Crafts Museum(Hangzhou Knife,Scissor and Sword Museum
Hangzhou Arts School
Hang Zhou Bai Hua Bao
Hangzhou Baochu Tower
Hangzhou Bay Bridge
Hangzhou Bay Sea-crossing Bridge
Hangzhou Botanic Garden
Hangzhou Branch of China Sports Museum
Hangzhou city
Hangzhou Daily Press Group
Hangzhou embroidery
Hangzhou Fan Industry Museum
Hangzhou gardens in Ming and Qing Dynasty
Hang Zhou Grand Theatre
Hangzhou habutai
Hangzhou Huanglong Sports Center
Hangzhou Jingjijishu Kaifaqu
Hangzhou lakeside park
Hangzhou Leifeng Tower
Hangzhou Leno Weaving Technique
Hangzhou Liuhe Pagoda
Hangzhou Low Carbon Science and Technology Museum, China
Hangzhou Municipal Archives
Hangzhou Museum
Hangzhou opera
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