????:?????
???7??????????????????
????:?????????????1???
??????????????????6000??
????????????54???
????????????200???????
2017???????????:??????
??????????????5???3???
?!????????????
????????????????????
???:????????????????
???7??????????????????
??3?????????0.2%
19???????????????????
??-????Indy500??????????
???????????:??????????
?!????????????
????:2016????300??????????…
????????????470?:???3?1?
????????224.6???????10????…
??????????????????5?
????????224.6???????10????…
?????????????????????
????????????????????
??????:???????????????
????????:??1??8000?