当前素材是由九二图网为您提供的“Trip and test tubes”作品,素材编号:20170516063614,尺寸为:8688×6778 像素,大小为:5.7MB,素材关键词要素为:Dip tubes, test tubes, fantastic background, experiments, scientific experiments, scientific research, laboratory equipment,scientific research,Modern Technology,Stock Images,欢迎下载收藏!