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    The steel structure
    
    
    
        
    
            
    
               
                    
    
	2222-03bbe

    
The steel structure
    
To the steel structure, the speed of corrosion is mainly relate to the air relative humidity and the
    
composition and quantity of pollutant in the atmosphere.
    
In order to reduce metal corrosion and extend its service life, we must adopt the spreads brushes
    
and spray finishing methods after operate the surface treatment, to form the protective film in the
    
metal surface, and cause the metal and the corrosive medium isolates, thus prevents the metal the
    
corrosion. 

    
	 

                  
            
    
        
    
    
    
    
    
    
  
    
      
    
          
    
              
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