名词
中文翻译：阀门激活
同义词：
['valve activation', 'valve actuation']
例句：
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1.The valve actuator is responsible for controlling the flow of oil through the engine.
阀门执行器负责控制机油通过发动机的流动。
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2.The valve actuator needs to be replaced after a certain number of cycles.
阀门执行器在经过一定数量的循环后需要更换。
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3.The valve actuator was designed to improve fuel efficiency and reduce emissions.
阀门执行器被设计用来提高燃油效率和减少排放。