名词短语
中文翻译：汽油升级
同义词：
['gasoline upgrade', 'gasoline upgrading例句：1. The new engine design is designed to improve the performance of gasoline engines.（新引擎设计旨在提高汽油发动机的性能。）2. The company has been upgrading its gasoline engines to meet stricter emission standards.（该公司一直在升级其汽油发动机，以符合更严格的排放标准。）']
例句：
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1. The new engine design is designed to improve the performance of gasoline engines.
新引擎设计旨在提高汽油发动机的性能。
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2. The company has been upgrading its gasoline engines to meet stricter emission standards.
该公司一直在升级其汽油发动机，以符合更严格的排放标准。
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3.The gasoline upgrade will significantly reduce emissions and improve fuel efficiency.
汽油升级将显著减少排放并提高燃油效率。