名词
中文翻译：阀门轴
同义词：
['valve stem', 'valve rod', 'valvestem shaft']
例句：
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1. Thevalve shaft is crucial for the proper functioning of the valve.
阀门轴对于阀门的正确运作至关重要。
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2. The valve shaft needs tobe cleaned regularly to prevent blockages.
阀门轴需要定期清洁，以防止堵塞。
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3. Thevalve shaft was damaged during the installation process.
在安装过程中，阀门轴受损了。