Judging from the name, build bridges bridge machine is the
equipment.Precast concrete is the best place to precast beams piece of
equipment up a good pier.Areas are cranes erecting machine, because its main function is to
beam film institute, and then transported to the location down.But the general sense of cranes are very different.Their work environment, or the harsh conditions of their
requirements, safety requirements high.And there is beam-chip courses, or call vertical shift (generally
in the industry as a bridge along the vertical direction, vertical
and horizontal direction of the bridge).