?? ?4??????????49??? ????????
????:1??????:?????
2??????qq
3????????
4??????????
5?????????????
???????????12???????22????????????? (????????????????? ???????????????????????)????????,12???????????????????17??20???,??????49??????22?????,???
?,????????????????????1.8?????????????5.0????????????????,??100???????????
????????????,?,????????????;?????????????????,???????????????????????,????????????????
??????,???22?????????????????,?????????????,??????????????????????,????????????,????????????????15????????(?) ?????:???????