名词
中文翻译：Unknown
同义词：
['valve', 'valve stem', 'valve seat', 'valve stem seat', 'valve stem seat']
例句：
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1. The valve is responsible for controlling the flow of gases through the pipeline.
这个阀门负责控制气体通过管道的流动。
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2. The valve was designed to prevent leaks and ensure safety in the oil field.
这个阀门被设计用来防止泄漏并确保油田的安全。
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3. The valve is a critical component of the engine's operation.
这个阀门是发动机运行的关键部件。