名词
中文翻译：油井
同义词：
['oil well', 'oil field例句：1. The company has been drilling for the ullage of oil for decades.（这家公司几十年来一直在钻探石油。）']
例句：
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1. The company has been drilling for the ullage of oil for decades.
这家公司几十年来一直在钻探石油。
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2.The oil industry is heavily dependent on the ullage of crude oil.
石油行业严重依赖原油的开采。
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3.The extraction process requires careful management of the ullage to prevent contamination.
提取过程需要仔细管理油井以防止污染。