名词
中文翻译：研磨剂
同义词：
['grinding material', 'abrasive', 'grinding aid']
例句：
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1. The machine usesa grinding agent to remove the rust from the metal surface.
这台机器使用研磨剂来去除金属表面的锈。
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2.This type of grinding agent is highly effective in removing small particles.
这种研磨剂在去除小颗粒方面非常有效。
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3. The grinding agent was carefully mixed with the oil before being applied to the workpiece.
研磨剂在使用前被小心地与油混合。