Application of friction welding in oil equipment manufacturing industry[J]. MW Metal Forming, 2006, (6): 38-40,44.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Application of friction welding in oil equipment manufacturing industry[J]. MW Metal Forming, 2006, (6): 38-40,44.
                        
                     | 
                
            
         
        
            
                Application of friction welding in oil equipment manufacturing industry[J]. MW Metal Forming, 2006, (6): 38-40,44.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Application of friction welding in oil equipment manufacturing industry[J]. MW Metal Forming, 2006, (6): 38-40,44.
                        
                     |