????:1??????:???????

2?????????

3????????

4??????

5?????

?????7?????????????????????????31?? (???? ?????)???????????????100??????????+??????31??????????

????? ?????

????????????,????????????????????,?????????????,??5000???????????,????????,??

?????,???6.66???,??????????????18?5.6??,??????1??220?,??20????????/80????????,???????????????????2025?????,?2.37????,???7.2??,??????19.6????????????????????????????????????????

?????,?,??,???,???(????????)

?????:????