Polished Abrasion - A grayish or translucent area on the glass surface due to an abrasive action when the glass is transported. Also known as transit crush.

• 抛光磨损-玻璃表面的浅灰色或半透明区域，因玻璃在运输过程中磨擦所致。也称作运输过程缺陷。