Pressure Vessels automatic girth welding technology research[J]. MW Metal Forming, 2009, (8): 29-32.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Pressure Vessels automatic girth welding technology research[J]. MW Metal Forming, 2009, (8): 29-32.
                        
                     | 
                
            
         
        
            
                Pressure Vessels automatic girth welding technology research[J]. MW Metal Forming, 2009, (8): 29-32.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Pressure Vessels automatic girth welding technology research[J]. MW Metal Forming, 2009, (8): 29-32.
                        
                     |