?? ?-20?????????????
????:1?????????:?????95??98
2??????????
3????????
4???????
5?????????
????1?7?? ??????????7?????????????,??????,???????-20??????,??????????,???????????
7?9??5?????????,???????????6.8?????????????,??,??????????????????,????,???????????????,???????????,???,????????????????
??11????????????,?????????????????????????200????????????,1000??
14?5??????????,?????????????-20??,??,???????,??????,?,??????,???????????????
?,???????????????,??????????1????????????,???????????????????????????????,??
??????????,???????,?????????????????????,?????,??,???????????????????????????7???????????15???30??????????595???,???????120?????,???32??????????????,??12????????????(?) ???:??????