名词中文翻译
中文翻译：单阀
同义词：
['single-valve', 'single-leaf valve例句：1. The valve on the engine is what allows air to flow in and out.（发动机上的阀门允许空气进出。）']
例句：
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1. The valve on the engine is what allows air to flow in and out.
发动机上的阀门允许空气进出。
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2. The valve was designed to prevent leaks during operation.
该阀门设计用于在操作期间防止泄漏。
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3. The valve must be opened carefully to avoid damaging the engine.
必须小心打开阀门，以免损坏引擎。