             
  
2020/12/21
                                                                                                                                                             2020  11  20                                                                                                                                                                                                                                                                        2019                         2021                                                                                                                                                                                                                                                                      1          2014                 9    2     1    11     117     771                               A+B+C                               2015                                                                                                        2.                        A+B+C                                                                                                                                                                                                                                                                                                                                      3.                                                                                                                                                                                                2019  5  1                     2019  7  1                         2019  1                           2020                                        2021                                   12                                                                                                                                    A+B+C                                                                 
   