名词
中文翻译：电动操作阀
同义词：
['electromagnetic valve', 'electro-pneumatic valve']
例句：
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1. The valve is used to controlthe flow of oil in the engine.
这个阀门用来控制发动机中油的流动。
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2. Thevalve was designed to improve the efficiency ofthe system.
这个阀门被设计来提高系统的效率。
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3. The valve was replaced with a newone after it failed.
这个阀门在失败后被替换了一个新的。