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Application of foam to increase resistance of gas flow in the underground actions of the mining exploitation and the device for feeding the foam
Application of foam to increase resistance of gas flow in the underground actions of the mining exploitation and the device for feeding the foam
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机译：在采矿开采的地下活动中使用泡沫来增加气流阻力以及泡沫填充装置
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摘要
A process for increasing resistance to the flow of gas in underground mining operations includes providing a foam composition at desired selected locations to create a barrier to the flow of gas.
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