名词
中文翻译：Unknown
同义词：
['valve stem guide', 'valve stem guide system', 'valve stem guide device']
例句：
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1. The valve stem guide is crucial for ensuring the proper functioning of the valve.
阀杆导向器对于确保阀门正确工作至关重要。
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2. The valve stem guide has been designed to minimize friction and improve efficiency in the valve operation.
阀杆导向器设计用于最小化摩擦并提高阀门操作的效率。
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3. The valve stem guide was installed to ensure that the valve operated smoothly and reliably.
安装阀杆导向器以确保阀门平稳可靠地运行。