名词
中文翻译：自由容积
同义词：
['free space', 'unreserved volume例句：1. The company is looking to increase its free volume by 20% this year.（该公司计划今年增加其自由容积20%。）2. The engineer calculated the free volume of the container using a formula.（工程师使用一个公式计算了这个容器的自由容积。）']
例句：
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1. The company is looking to increase its free volume by 20% this year.
该公司计划今年增加其自由容积20%。
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2. The engineer calculated the free volume of the container using a formula.
工程师使用一个公式计算了这个容器的自由容积。
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3.The researcher found that increasing the free volume could improve the efficiency of the process.
研究人员发现，增加自由容积可以提高过程的效率。