lifting efficiency of pumping unit的意思|示意
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抽油机提升效率
lifting efficiency of pumping unit的网络常见释义
抽油装置提升效率 抽油井诊断技术||diagnostic technique [pumping well] 抽油装置提升效率||lifting efficiency of pumping unit 抽油装置总效率||total efficiency of the pumping system ..