???????!??10??????????

????:????????:???????????

???????????6??21?????????????????? ?????,?????6?21??10???????:??,6?21??????????????????????????14???????22??????????????14?????????????,???????????????????????????????????????????????????,??,??????????????????????????????????????????????????(100~180?)???????(?30~50???????,????80??),???

??????:

1???????????;

2??????,????;

3??????,???,????????????????;

4?????????????????????,?????? ??????:??????????????