名词
中文翻译：Unknown
同义词：
['oil preservator', 'oil conservationist']
例句：
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1. The oil conservator is responsible for maintaining the cleanliness of the factory.
油保护者负责保持工厂的清洁。
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2. The oil conservationist has been working on a project to reduce oil consumption in the country.
油保护者一直在进行一个项目，以减少该国的石油消耗。
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3.The oil conservator has been working tirelessly to ensure the safety of the workers and the environment.
油保护者一直在努力工作，以确保工人和环境的安全。