                       
  
2020/6/23
                6  20                                                                                           
 
                                                                                                                                                                                                                     20               
                                                                                                                                                                                         
 
                                                                                                                                                                       
 
                                                                                                                         
           +              650   20                              8                                                                                 63       240     665              73%   4                                                        10                   3.75              1450        4500           997             5000   
         