regulating separate stratum injection string
regulating screw 调整螺钉 regulating separate stratum injection string 分层配注管柱 regulating separate stratum production string 分层配产管柱 ..
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分层注聚管柱主要由可洗井封隔器、配注器及底球组成。
The separated layer polymer injection pipe string consists of well-flushing packer, down-hole flow distributor and bottom ball.
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