Know the composition of steel structure
Steel structure refers to a heavy-duty, high-rise, large-span and shaped structure made of steel plates, section steels, steel pipes, steel cables and other steel materials connected by welding, riveting, bolts, etc. The narrow steel structure industry mainly refers to steel structure building in the field of housing construction. It is relative to the reinforced concrete and brick-concrete...
0 Yorumlar 0 hisse senetleri 2K Views 0 önizleme