In a given working situation, pump clearance has significant influence on the pump efficiency.
对一定工况的油井而言, 抽油泵的间隙对抽油泵的工作质量起着重要作用.
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Spot application showed that this technology rose the pump efficiency and cut expenses effectively.
通过现场实施,该技术具有提高泵效,降低成本的作用,有较大的应用发展前景.
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