短語詞組短語System Enhancements Disk 系統(tǒng)增強程序system magnetic disk 系統(tǒng)磁盤system floppy disk 系統(tǒng)軟盤system hard disk 系統(tǒng)硬盤conversation monitor system system disk 會話式監(jiān)督系統(tǒng)系統(tǒng)磁盤file system and disk layout 文件系統(tǒng)和磁盤布局brake system &disk brake 碟剎shared read -only system residence disk 共享只讀系統(tǒng)常駐磁盤 返回 system disk