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

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

??????:??