The steel constructions workshop building of Bao ji bridge girder plant is typical largeworkshop, in which the main work procedure of sparge little steel ball and burnish is to eliminaterust and polish the surface of steel bridge workpiecs.

• 宝鸡桥梁厂钢结构车间喷丸打磨厂房是典型的高大厂房建筑，其工序是对桥梁钢型结构件表面进行喷丸打磨、抛光除锈。