special-shaped columns frame structure
composite frame with SRC columns
frame with special-shaped columns
RC frame structure with special columns
RC frame with specially shaped columns
Removal of columns of multi-stories frame factory
steel frame structural columns
1200 Spindles Spinning Frame with Auto Doffing
20 MN NC frame type of hydraulic press
2-span and 2-storey composite steel frame
3-D frame supported aqueduct