名词
中文翻译：精炼时间
同义词：
['refining period', 'refining interval']
例句：
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1.The refinery is expected to start producing oil within the next few months.
预计炼油厂将在几个月内开始生产石油。
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2.During the refining process, the crude oil is heated and mixed with chemicals to separate out impurities.
在精炼过程中，原油被加热并与化学物质混合以分离杂质。
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3. Refining processes can significantly increase the quality of the final product.
精炼过程可以显著提高最终产品的质量。