当前素材是由九二图网为您提供的“Blue technology background”作品,素材编号:20170424114255,尺寸为:2560×1600 像素,大小为:2.7MB,素材关键词要素为:Graphics, patterns, circles, bottom stripes, background, blue background, technical background, colour background,Other Scenery,Landscape,Stock Images,欢迎下载收藏!