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：Survey audio response linear icon. Social research. Testimonial. Oral survey. Customer satisfaction. Feedback. Thin line illustration. Contour symbol. Vector isolated outline drawing. Editable stroke，英文名称是：Survey audio response linear icon. Social research. Testimonial. Oral survey. Customer satisfaction. Feedback. Thin line illustration. Contour symbol. Vector isolated outline drawing. Editable stroke，该资源由网友上传，提供高速下载。
