Click on the top to pay attention to the safety help, which will bring you a different safety knowledge circle Excellent article reading: dry cargo |2020 chemical plant winter freezing prevention and condensation prevention scheme version of the public version of the official account back to “1112 winter” that will do.
The atlas of safe and civilized construction of the Eighth Central Bureau is 25p, which can be obtained free of charge
Detailed node method and construction process diagram of reinforced concrete structure engineering, page 227 of 2018 Public Edition, see the end of the text for download
