• In accordance with this problem, a new pump of small diameter with double barrel has been developed. Experimental study of the deep pumping process has been conducted and attained a success.

    针对一问题研究设计新型筒式直径抽油泵进行采油工艺技术试验研究,获得了成功,取得了良好的经济社会效益。

    youdao

  • In accordance with this problem, a new pump of small diameter with double barrel has been developed. Experimental study of the deep pumping process has been conducted and attained a success.

    针对一问题研究设计新型筒式直径抽油泵进行采油工艺技术试验研究,获得了成功,取得了良好的经济社会效益。

    youdao

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