B: Tile that has applied Pure Bright technology has a protective layer on its surface, that layer could fill the small pore and crackle on polished tile.
英
美
- 销售小姐:应用了超洁亮技术的砖的表面有一层保护层,这保护层可以覆盖填补抛光砖表面的气孔和微裂纹。