名词
中文翻译：手动阀门
同义词：
['manual control valve', 'manual shut-off valve例句：1. The manual valve is used to control the flow of oil in the engine.（手动阀门用于控制发动机中油的流动。）']
例句：
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1. The manual valve is used to control the flow of oil in the engine.
手动阀门用于控制发动机中油的流动。
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2.The manual valve was replaced with a digital one for safety reasons.
出于安全原因，手动阀门被数字阀门所取代。
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3.The manual valve allows for easy adjustment of the flow rate.
手动阀门允许轻松调整流量。