广泛用于各大油田，地质勘探和实验室进行液体密度的分析和测定。
It has been widely applied in the oil fields, geological exploration and laboratories for analysis and measurements of fluid density.
广泛用于各大油田，地质勘探和实验室进行液体密度的分析和测定。
It has been widely applied in the oil fields, geological exploration and laboratories for analysis and measurements of fluid density.
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