名词
中文翻译：Unknown
同义词：
['secondary crude oil']
例句：
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1.Tertiary crudes are used in the refining process to produce high-quality petroleum products.
次级原油用于炼油过程，以生产高质量的石油产品。
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2. The refinery uses tertiary crudes to produce gasoline and diesel fuel.
炼油厂使用次级原油来生产汽油和柴油燃料。
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3. Tertiary crudes are extracted from underground reservoirs and then processed into various types of petroleum products.
次级原油从地下储层中提取出来，然后加工成各种类型的石油产品。