?? ????????? ????
![](https://image.chezhanri.com/2019/0517/20190517172843836.jpg)
????:1?????????:??????
2?????
3????????
4???????????
5?????????
8????16????12?,?3?,????,???????????????????“?????”???????????????????(??) ????? ?
8??????16?????????????????12???????????,?????????????????3?,??,????“?”?????????????(?????????????????) ???? ??????
8?16?12?,?3?,?,????“??”???(?) ?? ???????????
8?????????????????16???????????12?????????????????,??????3?????,????,??“??????”???????(?) ? ????
??????????????????:??