名词
中文翻译：阀门杯
同义词：
['valve', 'valve cup', 'valve stem', 'valve stem cap']
例句：
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1.The engineer used a valve cup to regulatethe flow of oil.
工程师使用阀门杯来调节油的流动。
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2. Thevalve cup was designed toprevent leaks during operation.
阀门杯被设计成在操作过程中防止泄漏。
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3. The valve cup is an essentialpart of the engine's pistonassembly.
阀门杯是发动机活塞组件中不可或缺的一部分。