动词短语
中文翻译：润滑油加工
同义词：
['refine', 'refine oil']
例句：
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1.The machine needs to be lubed before it can operate smoothly.
机器在运行前需要润滑。
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2. The refining process is crucial for the quality of the final product.
精炼过程对于最终产品的质量至关重要。
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3.The refinery produces a variety of refined petroleum products.
炼油厂生产各种精炼石油产品。