??
???????2??????????????12???????? (????????????????? ???????????)2?????12????????????,???38???40???????????
?,??????????1988????????????????????,38??????????????,?????????????21??????,????????????320????????????????????????????????????,?,???1.63???????????,????????????????
?????,?????????250????????
?,?,????????????????????400??,??????????,?????
??????,?????????????,???(????) ???:??????
?????????
????????????????????????????????????????