A Research about variable polarity welding power supply used in high-speed train[J]. MW Metal Forming, 2010, (16): 26-29.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        A Research about variable polarity welding power supply used in high-speed train[J]. MW Metal Forming, 2010, (16): 26-29.
                        
                     | 
                
            
         
        
            
                A Research about variable polarity welding power supply used in high-speed train[J]. MW Metal Forming, 2010, (16): 26-29.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        A Research about variable polarity welding power supply used in high-speed train[J]. MW Metal Forming, 2010, (16): 26-29.
                        
                     |