[计]
dual surface single density
... 双面磁盘 double-sided disk 双面单密度 dual surface single density 双面单密度软磁盘 diskette 2 ...
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短语
双面单密度磁盘
two-sided single density diskette
单面双密度磁盘
single sided double-density diskette
单面双密度
single sided double density
单面双密度软盘机
density floppy disk drive
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