名词
中文翻译：电动研磨机
同义词：
['electronic grinder', 'electric polisher例句：1. This electric grinding machine is very efficient at removing rust from metal surfaces.（这台电动研磨机在去除金属表面锈迹方面非常高效。）']
例句：
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1. This electric grinding machine is very efficient at removing rust from metal surfaces.
这台电动研磨机在去除金属表面锈迹方面非常高效。
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2.The engineer used the electric grinding machine to smooth the surface of a large block of granite.
工程师使用电动研磨机平滑了一块大花岗岩的表面。
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3. The electric grinding machine was used to prepare the material for further processing.
电动研磨机被用来准备材料进行进一步加工。