名词
中文翻译：阀门座研磨机
同义词：
['valve seat grinder', 'valve seat grinder machine']
例句：
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1. The valve seat grinder is used to remove rust from the valve seats of gaskets.
阀门座研磨机用于去除垫片阀座上的锈。
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2.The valve seat grinder was used to clean the valve seats in the engine.
阀门座研磨机被用来清理发动机中的阀座。
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3.The valve seat grinder is a useful tool for maintenance technicians.
阀门座研磨机是维护技术人员的有用工具。