名词
中文翻译：阀门座研磨机
同义词：
['valve seat grinder', 'valveseat polisher']
例句：
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1.This valve-seat grinding machine isused to remove rust from the valve seatsof gaskets.
这台阀门座研磨机用于去除垫圈阀座上的锈。
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2. The engineer used a valve-seat grinding machine to smooth the valveseats before installing the new valves.
工程师使用阀门座研磨机在安装新阀门之前平滑阀座。
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3. Thevalve-seat grindingmachine was essential in maintaining theintegrity of the engine's valvesystem.
阀门座研磨机对于维护发动机阀门系统的完整性至关重要。