National method (3)
      
        

          
        
    

        
    
     
          
    
             
    Construction the construction of guangxi received three national method, 
distribution is: large crushing chamber tall funnel (steel concrete composite 
structure) construction methods, ground source heat pump buried vertical U tube 
heat exchange system installation method and oblique polyhedron reinforced 
concrete column construction methods.
    
          
    
          
          
          
    
        
    
      
    
    
    
    
    
    
    





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