基本解释[物理学]双密度软磁盘机词组短语短语single -sided double-density floppy disk drive 单面双密度软盘机;单面双密度软磁盘机two -sided double-density floppy disk drive 双面双密度软磁盘机double density floppy disk drive更多词组专业释义物理学双密度软磁盘机