当前素材是由九二图网为您提供的“Blue technology background”作品,素材编号:20161205100746,尺寸为:3600×3600 像素,大小为:15.5MB,素材关键词要素为:Graphics, drawings, puzzles, blue background, technical background, bottom line, background, colour background, background material,backgrounds,Background,Stock Images,欢迎下载收藏!