搜元素提供国外优质的免版权矢量素材资源免费下载，该资源的中文名称是：Steel industry color icon. Metal and iron production technology. Metallurgy. Professional machinery services. Factory equipment. Engineering business. Stock, tube. Isolated vector illustration，英文名称是：Steel industry color icon. Metal and iron production technology. Metallurgy. Professional machinery services. Factory equipment. Engineering business. Stock, tube. Isolated vector illustration，该资源由网友上传，提供高速下载。
