产品它是指预安装在微机上的软件操作系统怎么读
点击播放按钮播放发音:
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 产品它是指预安装在微机上的软件操作系统的英语：windowswindows ntworkstationwindowsxmsdos mis management information systemstem
