Windowsill, the leaves on the roofs of houses, roads, school playgrounds, have a thick layer of snow, I think, the mountains, the park will be a vast expanse of whiteness in a bar!
窗台上、树叶上、屋顶上、公路上、校园的操场上，都已经是一层厚厚的雪，我想，山上、公园里也会是白茫茫的一片吧！
Grid shell is a new type of single layer latticed shell, especially suitable for glass roofs.
索撑网壳是一种适合于玻璃采光顶结构特点的新型单层网壳形式。
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