名词
中文翻译：积极调节阀
同义词：
['positively controlled valve']
例句：
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1. The positively actuated valve isused to control the flow of oil inthe engine.
这个积极的调节阀用于控制发动机中油的流动。
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2. Thepositive pressure in the systemhelps to maintain a constant flowrate.
系统中的正压有助于保持恒定的流量。
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3. The positively actuated valvewas designed to improve efficiency and reduce wear.
这个积极的调节阀被设计来提高效率并减少磨损。