floppy disk system 软盘系统 ; [计] 软磁盘系统

floppy disc operating system 软盘操作系统 ; 软磁盘操作系统

floppy disc prototype system [计] 软磁盘样机系统

floppy disk archiving system 软盘归档系统

floppy data entry system 软磁盘数据输入系统 ; 软磁盘输入系统

floppy disk operating system 软磁盘操作系统

floppy disc system 软盘系统

system floppy disk 系统软盘

single drive floppy disc system 单驱动软盘系统