计算机工程师将微处理器CPU组装成电子主板。,Computer engineer assembly microprocessor CPU into electronic motherboard., Close-up of technician putting microchip to circuit computer mainboard in manufacturing factory., Business technology.
水平证书模板搭配三角形几何多边形框架和现代图案背景插画向量。,Horizontal certificate template with triangle geometric polygonal frame and modern pattern background. vector illustration