名词
中文翻译：原油
同义词：
['crude oil', 'crude petroleum例句：1. Crude oil is a byproduct of the refining process.（原油是精炼过程的副产品。）']
例句：
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1. Crude oil is a byproduct of the refining process.
原油是精炼过程的副产品。
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2.The refinery produces crude oil for export.
炼油厂生产原油出口。
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3.Crude oil is used as fuel in many industrial processes.
原油在许多工业过程中用作燃料。