动词短语中文翻译
中文翻译：双重精炼
同义词：
['double distillation', 'double purification']
例句：
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1. The processof double refining is crucial for the quality of the final product.
双重精炼过程对于最终产品的质量至关重要。
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2.In the oil refining industry, double refining is used to remove impurities and improve the oil's quality.
在石油提炼行业，双重精炼用于去除杂质并提高油品质量。
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3.The refinery uses a double refining process to produce high-quality petroleum products.
炼油厂采用双重精炼工艺生产高质量的石油产品。