名词
中文翻译：Unknown
同义词：
['refining', 'cleansing', 'purifying']
例句：
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1. The process of oil purification involves removing impurities from the oil to improve its quality.
石油净化过程涉及从油中去除杂质，以提高其质量。
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2. The refinery uses advanced technology to purify crude oil for use in various industries.
炼油厂使用先进技术将原油净化，以供各行业使用。
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3. The company's latest innovation in oil purification technology has significantly reduced pollution levels.
该公司最新的石油净化技术创新已显著降低了污染水平。