... retention pond 澄清池 retention screen 持留网，贮留筛 retention system 贮留系统，保留系统 ...
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A sand retention screen with large radius and high permeability near the wellbore can be formed by high liquid production and the large amount of sand.
管外高压充填防砂增液技术通过高液量和大砂量在近井地带形成大半径、高渗透的挡砂屏障；
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