pumping unit

pumping unit. Oil & gas. Equipment used to pump oil to the surface when the pressure difference between the formation and the borehole is not strong enough to cause oil to rise to the surface. — Also termed pumpjack; horsehead.

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词条贡献者

双语律师Denise，知名法学院国际私法专业，擅长翻译各类与国际争议解决相关的法律文件。