??????????2????12????? (? ?????)2????12???????????,??????38??????40???????

???????,????????????????????1988?????????????????,38?,??21?????,???????????????????????320?????,?,??1.63????????,??????

?,????????????????????????????250????

?????????????????????????,???????????????,??????????400???????????,?????????????????????,????

???,??,?????(??????????) ??????????????:?????????????????????

??

??:???????????,??????????,??????????????