single sided double density
单面磁盘 single sided diskette 单面双密度 single sided double density 单面双密度磁盘 single sided double-density diskette ..
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短语
单面双密度磁盘
single sided double-density diskette
单面双密度软盘机
density floppy disk drive
双面单密度
[计]
dual surface single density
双面单密度磁盘
two-sided single density diskette
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