名词
中文翻译：脚踏阀
同义词：
['foot valve', 'foot valve device', 'foot valve mechanism']
例句：
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1. The foot valve prevents the oilfrom leaking out of the engine.
脚踏阀防止油从发动机中泄漏出来。
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2.The foot valve is a crucial component inthe oil filter system.
脚踏阀是油滤系统中的关键部件。
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3. The foot valve isdesigned to ensure that only the right amountof oil is allowed to flow through theengine.
脚踏阀的设计是为了确保只有适量的油能够流经发动机。