 
 
 
 

 
 5         
  
2021/5/26
                                          2035                                                               5                                                                                                                                                                                                                                                                                                                                                       30%         70%                                      5                                                                                                                                                                                                                                                  2025                          32%      2                        5                                                                   3  28   
  
        
 
 
  
  
         
          
   2021       
         
        
2014-2015 ©                      蒙ICP备06002822号-1