名词
中文翻译：瓦尔沙赫特阀门齿轮同义词
同义词：
['Valve gear', 'Valve gear assembly', 'Valve gear set']
例句：
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1. The valve gear is crucial for the proper functioning of the pump.
阀门齿轮对于泵的正确运行至关重要。
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2. The engineer carefully assembled the valve gear to ensure optimal performance.
工程师仔细组装阀门齿轮，以确保最佳性能。
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3. The valve gear was replaced after a significant amount of wear and tear.
在经历了大量的磨损后，阀门齿轮被更换了。