名词
中文翻译：真空净化同义词
同义词：
['vacuum distillation', 'vacuum distillation process']
例句：
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1. The vacuum purification system is used to remove impurities from the air.
真空净化系统用于从空气中去除杂质。
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2. The company uses vacuum purification to improve the quality of its products.
该公司使用真空净化来提高其产品的质量。
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3. During the vacuum purification process, the air is pumped out and replaced with a clean gas.
在真空净化过程中，空气被抽走并用清洁气体替换。