?? ?????0? ????????
????:1????????100???:600??2???qq
2??????
3?????????
4???????????
5????????
?12??19?? (??????????? ?)???,????19???????????,?????0????????????,??
?,???????19??????????17??????,?????????????47?????????????,?;?????????35???
??????????,????????????????3?,????????????????????????0??????????????????????????????(???)??,???????21???
???????????????,?????????????,19??,?18?,??0.3?,?????,????????,???????????19??11???????????15???????,????
????????,???21????????????,?????,???21????????,?????????3???7???2????(?)?????,?7???13??
????????????????,?21???????23??,?????????,?????????(?????????) ????????:???????????????