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：Home construction safety chalk white icons set on dark background. Sound insulation. Chimney height. Sanitation facilities. Resistance to fire. Isolated vector chalkboard illustrations on black，英文名称是：Home construction safety chalk white icons set on dark background. Sound insulation. Chimney height. Sanitation facilities. Resistance to fire. Isolated vector chalkboard illustrations on black，该资源由网友上传，提供高速下载。
