If you get an error message "Could not unmount device, device is busy," something is reading the filesystem.
如果您得到一个错误消息“Couldnot unmountdevice,device is busy ”，那么可能是文件系统正在被读取。
If you get an error message "Could not unmount device, device is busy," something is reading the filesystem.
如果您得到一个错误消息“Couldnot unmountdevice,device is busy ”，那么可能是文件系统正在被读取。
应用推荐