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