蛇形边(冷轧带材的缺陷)的英文

snaky edge

• 蛇形:    snakelike; S-shape ...
• 边:    side; section
• 冷轧带材:    cold-strip; cold-r ...
• 的:    4次方是 The fourth po ...
• 缺陷:    defect; flaw