[free of charge] the second edition of design and Construction Manual of building fire protection engineering (2019 Edition)

With the advancement of urbanization and economic and social development, the housing consumption concept of the people has evolved from “homeowners have their own houses” to the pursuit of “homeowners

service guide construction general contracting qualification: construction, municipal administration, electric power, electromechanical equipment, highway, railway, port and waterway, water conservancy and hydropower, mining, metallurgy, chemical petroleum and communication.   Open

These are the exterior wall and auxiliary robots: Optimus Prime “Bozhilin Mobile Brick Making Truck”, “Small Powder Moving Brick”, “General Logistics Robot”, “Flying Man in the Air”, “Exterior Wall Spraying