edger
🇬🇧/ˈedʒə(r)/ 🇺🇸/ˈedʒər/a person who puts an edge, esp. a finishing edge, on a garment, surface, lens, etc.
noun [专属名词] 磨边机;轧边机;刨边机
Objective:To develop a system for sampling the spectacles frame on automatic lens edger. 目的:研制CCD采集眼镜框边缘尺寸系统。