| 单词 | magnetic coating |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔magnetic disk〕A memory device covered with a magnetic coating on which information is stored by magnetization of microscopically small needles.磁盘：一种表面有磁性层的储存装置，经极微小的细针磁化后的信息储存在磁性层上美国传统 |
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