A truss is a geometrically invariant structure composed of triangular frames composed of straight rods. The joints between members are called nodes (or nodes). According to the axis of the truss members and the distribution of the external force, the truss can be divided into plane truss and space t......

If the stage truss is found to be deformed when it leaves the factory, please return it immediately. If the deformation is caused by welding, it means that the manufacturer's welding technology is faulty, please stop using it immediately. (Explanation of truss deformation: The slat truss is a wh......