?? ?1?????????????????+
????:1????????:?????vx
2?????
3???????????
4??????
5????????????
9??29?????,?????1.05??,???????
10?????????4???,??1754.7?????,??????????5??????????1700??
10????????????5??,???????,??,?????1795??????????,???????947??
????????12306???:
10?6??????????8??,?,?????????????????????????????????????????????
?????:
10?5?????????????????????,?????,????????
10????????6??8??,??????????????????????????????????,??????????????????????,??????????????????????????????,??,???????
?12306????????????
????????(10?????5???)9????????????,?12306??????1.49?????????????????????
???:
??,?,????????????????,?????,???????????,???????????????????????????,??????,???????
?????12306??(?)??,?????,?,??????12306?????????????“?????12306”????????App,?????????“??????”,???????????????????
(??? ?????) ???????????????:???