“pumping unit counterbalance”的概念、定义、翻译、参考文献-科学参考

单词	pumping unit counterbalance
释义	pumping unit counterbalance Encyclopedia 工学抽油机平衡释 pumping unit counterbalance抽油机平衡抽油机在上、下冲程中悬点载荷均衡。
随便看	hydrogeology calculation Hydrogeology & engineering geology hydrogeology monitoring hydrogeology remote sensing hydrogeololgical condition of ore district hydrogeophysical prospecting hydro-geothermal resources exploration hydroglider hydrogoethite hydrographical regionalization hydrographic control point hydrographic database hydrographic maps hydrographic net representation hydrographic remote sensing hydrographic survey hydrographic survey and chart drawing hydrographic survey equipment hydrographic survey in ancient China hydrographic surveying and charting equipment hydrographic survey ship hydrography hydrography and cartography hydrohematite hydroinformatics

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