XU Chenghai. VACUUM PRECOOLING[J]. VACUUM AND CRYOGENICS, 1997, 3(2): 104-107.
            
            
                
                    | Citation: | XU Chenghai. VACUUM PRECOOLING[J]. VACUUM AND CRYOGENICS, 1997, 3(2): 104-107. | 
            
         
        
            
                XU Chenghai. VACUUM PRECOOLING[J]. VACUUM AND CRYOGENICS, 1997, 3(2): 104-107.
            
            
                
                    | Citation: | XU Chenghai. VACUUM PRECOOLING[J]. VACUUM AND CRYOGENICS, 1997, 3(2): 104-107. |