| 
             Number/货号  | 
            
             S1*S2 
            mm  | 
            
             Al-Cu/铝青铜 g | 
            
             | 
        
| 
             142 
             | 
            
             8*10,10*12,12*14, 
            14*17,17*19,19*22,22* 24,24*27,30*32  | 
            
             2570  
             | 
            
             | 
        



