当前素材是由九二图网为您提供的“A neat valve”作品，素材编号：20161111081555，尺寸为：3020×2352 像素，大小为：3.4MB，素材关键词要素为：Metals, valves, cleaning, plumbing, machinery, turbines, industry, factories, production, appliances, photography,industrial production,Modern Technology,Stock Images，欢迎下载收藏！