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Ruler, vector illustration. Tool for drawing, engineers, geometry lessons, mathematics. The concept of learning at school, university.

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：Ruler, vector illustration. Tool for drawing, engineers, geometry lessons, mathematics. The concept of learning at school, university.，英文名称是：Ruler, vector illustration. Tool for drawing, engineers, geometry lessons, mathematics. The concept of learning at school, university.，该资源由网友上传，提供高速下载。