?? ??????????????500??????????
![](https://image.chezhanri.com/2019/1112/75fb068464a6f25977c09866f9d80592.jpg)
????:1???????power:???????
2???????
3???????
4????????
5????????
?7????????4???????? (???????????? ? ?????? ??????)?????????????????????4?????????????????????????,6??????????????????29?????????7????3????????????,?????,?????????????????????????,???????????????????,???????????????
![](http://i2.chinanews.com.cn/simg/ypt/2024/240704/71b4d9a7-eba8-42c5-a722-ec07d55783d5_zsite.jpg)
???????????????????,????????????????????,?????????????????????????????????????????,???????????????
???????,?????????,??????????????????????????????,??,???????????????500?????????????
????????????????2????????500??,????????????1????,?,???,??????????????????,??????,???
???????????????????????????????????????????????????????????(?????????????)
??:??????????????