求翻译：玻化砖瓷砖的一种。因为制造工艺的区别，其致密程度要比一般地砖更搞，其表面光洁但又不需要抛光，所以不存在抛光气孔的问题。是什么意思？

Tiles of a tile. Because the difference between the manufacturing process, its density of more than ordinary tiles out, but its smooth surface without polishing, so there is no problem polishing pores.

Tile ceramic tiles. Because the distinction between manufacturing processes, its dense is greater than that in general, the slabs to engage in, and its bright surface but need not polished, so there is no question of polished pores.

Bolivia melts the brick ceramic tile one kind.Because of the manufacture craft difference, its compact degree must do generally compared to the brick, but its surface bright and clean does not need to polish, therefore does not have the polishing blowhole the question.

Tiles tiles. Because the difference of manufacturing process, their tight levels than the General floor tiles, its smooth surface but do not need polishing, polishing stomata is not an issue.

Porcelain tiles of tiles. Because the difference of manufacturing process, their tight levels than the General floor tiles, its smooth surface but do not need polishing, polishing stomata is not an issue.