Stone body thickness can be use as the cornerstone of the lower, rich stone surface mechanism, pointing significantly as intermediate materials, end natural head flat thin as peak shape.
石体宽厚可作为下层基石，石体表面机理丰富、勾缝明显作为中层材料、端头自然扁薄者作为顶峰造型使用。
2
The invention is a flat pipe for an intermediate cooler with high radiation effect, simple structure, being easy to manufacture and with reliable performance.