Properties and application study of spherical sand for casting[J]. MW Metal Forming, 2010, (9): 33-36.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Properties and application study of spherical sand for casting[J]. MW Metal Forming, 2010, (9): 33-36.
                        
                     | 
                
            
         
        
            
                Properties and application study of spherical sand for casting[J]. MW Metal Forming, 2010, (9): 33-36.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Properties and application study of spherical sand for casting[J]. MW Metal Forming, 2010, (9): 33-36.
                        
                     |