名词中文翻译
中文翻译：马闸阀
同义词：
['Jockey Valve', 'Jockey Valve', 'J-Valve']
例句：
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1. The jockey valve is used to control the flow of oil in the engine.
J-阀用于控制发动机中油的流动。
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2. The jockey valve was designed to improve fuel efficiency.
J-阀的设计是为了提高燃油效率。
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3. The jockey valve is a critical component of the engine's performance.
J-阀是发动机性能的关键部件。