名词
中文翻译：阀门
同义词：
['valve', 'valve stem', 'valve seat', 'valve stem seat', 'valve stem seat']
例句：
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1. The valve is designed to control the flow of gases through the pipeline.
这个阀门设计用来控制气体通过管道的流动。
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2. The valve was replaced after it failed during the test.
阀门在测试中失败后被更换了。
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3. The valve controls the pressure in the system, preventing leaks and ensuring safe operation.
这个阀门控制着系统内的压力，防止泄漏并确保安全运行。