短語(yǔ)詞組短語(yǔ)single -sided double-density floppy disk drive 單面雙密度軟盤(pán)機(jī);單面雙密度軟磁盤(pán)機(jī)two -sided double-density floppy disk drive 雙面雙密度軟磁盤(pán)機(jī) 返回 double density floppy disk drive