How to make steel structure canopy?
What do you do?What materials do you use?What to do if it is?1. If it is a concrete rams, fulfill the corresponding raiya quota of the concrete.2. If the steel structure is sunny board (or other decorative boards, etc.), the asynchronous-equation-Cantilever-BEAMS-ZHUHAI-JINHAI-BRIDGE-IS-SMOOOTHLY Smoothly Ceramics (or the rooftop is, Litto cover, etc.) Related sub -eyes.3. If it is steel in the steel structure
