名词
中文翻译：粗糙度
同义词：
['abrasion', 'wear resistance']
例句：
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1.The material has a high abrasivity that makes it difficult to cut with ordinary tools.
这种材料具有高磨蚀性，普通工具难以切割。
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2. The surface of the metal is very abrasivity, which can cause scratches on the workpiece.
金属表面非常磨蚀性，可能导致工件上出现划痕。
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3. The new coating technology reduces the abrasivity of the material, making it easier topolish and maintain.
新型涂层技术降低了材料的磨蚀性，使得抛光和维护变得更加容易。