photoelectronӡ     
gb4728_6_6.1       
gb4728_6_6.2      
gb4728_6_6.3        
gb4728_6_6.4 PNP͹뵼 
gb4728_6_6.5 뵼弤    
gb4728_6_6.6      
gb4728_6_6.7      
gb4728_6_6.8 Դ   
gb4728_6_6.9      
gb4728_6_6.10  NPNʹ뵼 
gb4728_6_6.11  ͹ 
