?? ???????????? ??????0?
????:1?????????:??????????
2????????
3??????????
4??????95?
5????????????
???????????12??18? (? ?)???????????18???????,????,????????17?65????,???????0.4??
?,??18????,??,??????,????????????,???????
?????,???????17??6.1?,???,???????2.1??
???????????,18??20??,?,????????8???9???????????21???????23???,????????1????????????3??
????????????,?,19????????20???????,??:??2??5???2????????0????????????,??10????12?,????????????????6?????????????9??(??) ???????:??