???????????????2?8??? ???????????????????????????,2???8??????11??50?????????,????????????????,???????????????
??????????,?????????????????????,?????????????,???2????????????????????????8??????????????????????????????19?,?2???,????????????????????????????
?,??,????????????????,??????? ???????????????????????????:?????????????
??-????Indy500??????????
??2??????2?1600?????2?
????:?????????????1???
?!????????????
?????????????????
??“?????”????????3519?
PPI??5????????????
??“?????”????????3519?
??????????????????????
????????!???:?????????
??????????????“??????”
??????????????????????
???????:??????????????
??:??????????????????????
????:????????????!
???????:????????????????(?…
???????100??????????1500
??????????8.15???????
???????10????3-2????????
??????????????????6000??
????????224.6???????10????…
???????10????3-2????????
??????????????8???
??:?????????????
?!????????????