The integral hoisting of large-tonnage space truss adopting winching and rocker method;

And for ground consolidation and the integral hoisting plan of rocker some detailed discussions are carried out to ensure the completion of integral hoisting construction of large space frame.

The hoisting technique with button pole group was applied smoothly for installing the latticed shell with elliptic surface at Yuncheng Agriculture Exhibition Center.

Research of the effect of drawing out the screws intermittently on the healing of femoral neck fracture;