????:1???????????:????V

2???????????

3????????

4???????

5???????????

??????????,??????,?????????,??????????

?????????12306?,?2??????13????2???19???????????,????????K4115????????????????,??2?,????????????????30.5?????????????????????????,???;??,????????????1.2??,?9?,1?????

??????????K4219??????,??????47??,????30?????24??????????2?14?1:07?K4219??????,???????????????2?????47??????,2???????18???,????????????,??????????

??????????? ?:???,?????????????2???????13????,???????????C6452??????????????????6.7??????????????????7.2?,?G1079??7.2?,????????????3????

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

??? ??????????????????:?????????,????,?????????????,?,????????????????????????????????????,?????2?????????,???????????????????3?,??????,??????(?????)

????:??