abstract gradient circle striped cd style symmetry ornate pattern background - 唯讀記憶光碟 幅插畫檔、美工圖案、卡通及圖標小巧型光碟
computer technology, hand drawn sketch, vector doodle line icon set. computer, microchip, mother board, cpu, hard drive, external hard disk drive, computer equipment, technology, random access memory. - 唯讀記憶光碟 幅插畫檔、美工圖案、卡通及圖標主機板, 草圖, 簡易圖畫
diocletian (236/245-c.312), roman emperor, wood engraving, published in 1877 - 唯讀記憶光碟 幅插畫檔、美工圖案、卡通及圖標