名词
中文翻译：密度计
同义词：
['density meter', 'density gauge', 'densitometer']
例句：
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1. The engineer used a densitometer to measure the density of the soil.
工程师使用密度计测量土壤的密度。
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2. The densitometer was used to determine the mineral content in the sample.
密度计被用来测定样本中的矿物含量。
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3. The densitometer was used to calculate the specific gravity of the liquid.
密度计被用来计算液体的特定比重。