This paper briefly introduce the using of replacing vertical deep-well scale pump of ferric oxide sheet with the no-sealed and self-suction pump in the swirl well.

 
  • 简要介绍在旋流井利用无密封自吸泵替代立式长轴氧化铁皮泵技术,并从可行性和经济效益等方面作了比较。
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