名词
中文翻译：双阀
同义词：
['double valve', 'dual valve', 'dual valve assembly']
例句：
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1. The dual valve system in the engine is responsible for controlling airflow.
发动机中的双阀系统负责控制气流。
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2.The engineers had to replace the old dual valve with a new one.
工程师们不得不用一个新的双阀来替换旧的。
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3. The dual valve was designed to improve fuel efficiency and reduce emissions.
双阀的设计是为了提高燃油效率和减少排放。