细微划痕
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Micro Scratch Tester 微米划痕仪 ; 显微划痕仪
Micro scratch test 微划痕实验
·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show that the typical appearance of worn audio heads is scratch mark. The wear mechanism of the heads is mainly micro-cutting.
结果表明，磁头磨损的典型形貌特征为划痕，磨损机理以微切削为主。
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