名词
中文翻译：球状比重计
同义词：
['球状比重器，球状比重仪例句：1. The balling hydrometer is used to measure the density of liquids.（球状比重计用于测量液体的密度。）']
例句：
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1. The balling hydrometer is used to measure the density of liquids.
球状比重计用于测量液体的密度。
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2.The balling hydrometer was used to determine the composition of the sample.
球状比重计被用来测定样品的成分。
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3.The balling hydrometer was used to measure the specific gravity of the sample.
球状比重计被用来测定样品的密度。