?? ????????????????????
????:1??????:??????
2????????30??
3?????vx
4???????
5?????????
?????????????11??27??? (????????????)???27????????????????,?????????????????11????26?,???7000???????????????????????????????
????,????29?????????????,???21?,???????????????????7????,?????
??????????????????,???????????????24?,???????,???????????????????????????????“????????????????????????”?????????????,??5??
?,??????????????,????????2500??,?????????(????????????) ????????????:???