名词
中文翻译：Unknown
同义词：
['petroleum', 'petrochemicals', 'petrochemical industry', 'petroleum engineering']
例句：
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1. The petroleum industry is a major contributor to the country's economy.
石油工业是该国经济的主要贡献者。
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2. The petrochemical industry plays a crucial role in the global economy.
石油化学工业在全球经济中扮演着关键角色。
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3. The petroleum engineering sector employs thousands of people worldwide.
石油工程领域在全球雇佣了成千上万的人。