A defect in the magnetizable surface coating (for example, on magnetic disc) consisting of a raised or thick area.

在磁性表层上(如磁盘上)的缺陷，包括隆起的区域或厚的区域。

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A defect in the magnetizable surface coating (for example, on magnetic disc) consisting of a raised or thick area.

在磁性表层上(如磁盘上)的缺陷，包括隆起的区域或厚的区域。

youdao