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：Oil industry chalk icons set. Pump jack, barrels, drilling bit, gas and fuel production platforms, flammable sign, industrial worker, offshore well illustrations. Isolated vector chalkboard drawings，英文名称是：Oil industry chalk icons set. Pump jack, barrels, drilling bit, gas and fuel production platforms, flammable sign, industrial worker, offshore well illustrations. Isolated vector chalkboard drawings，该资源由网友上传，提供高速下载。
