基本磁碟作業(yè)系統(tǒng) bdos basic disc operating system: 基本磁盤操作系統(tǒng)disc operating system: 磁盤操作系統(tǒng)dos disc operating system: 磁盤操作系統(tǒng)dp disc operating system: 磁盤操作系統(tǒng)floppy disc operating system: 軟盤操作系統(tǒng)下載手機(jī)詞典可隨時隨地查詞查翻譯