????:1???????:???????

2????????

3???????????

4????????????

5?????????

??,1????????20?????,?????,??????1345?????,??862??????1?19??,?1289.3?,???????????1??20??????9??,?????12306??????2.14??,??,??

1????21?????27??,??,?,?????????????????????,????????????????????????,????????????????????????????????,???????,??????,??????

1??28??2?2????????,?????????????????????????????,??????????????????????????????????????,?????,????????,???????????????,??????,?,??,????????,??????????????,??????,???

?,????????????,?????,?????????????????????12306????

(????????????????? ?????)

??:????????