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1. The engineer used a densimeter to measure the density of the liquid.
工程师使用密度计来测量液体的密度。
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2. The scientist conducted a densimetry test to determine the composition of the soil.
科学家进行了一次密度测定试验,以确定土壤的成分。
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3. The physicist used a densimeter to study the behavior of gases under pressure.
物理学家使用密度计研究气体在压力下的行为。