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    The results of the application test show that this method is suitable to water lack areas, seriously leak areas and worked-out areas.

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    The article analyses the technique superiority and social economic meanings of the air-foam drilling on the basis of the studying to productive experiment.

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  • 基于实研究分析空气泡沫钻进技术地质岩心钻探中应用技术优势社会经济意义

    The article analyses the technique superiority and social economic meanings of the air-foam drilling on the basis of the studying to productive experiment.

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