?? ??????????????:??? ??????????
![](https://image.chezhanri.com/2020/0327/410fa96bd61755d67a8211682a5e3f20.jpg)
????:1???????????:?????
2?????????
3????????????
4????????????
5????????
??8?16????????????????????? ????????????????8???????????????16????????,????????????????????,????????????????????
???????????????????:?,??????????????????????????????
??,???????????,???
?????????????????????????,????????,????????????????????????????????,????????????????????? ????:?????????????????????????????