             
  
2019/4/15
                                                                                               3  7                                                                                                                                                                                                                                                                                                                            
  ᠪᠠᠶᠠᠨ ᠨᠠᠭᠤᠷ ᠤᠨ ᠰᠣᠨᠢᠨ