?? ??????? ??????????????
????:1???????:??????????
2?????500???????
3???150????
4?100??????
5??????
??1??????????17???????????????? (??????????????????????????????? ???????????)???????????17???,????20????????????????????,???
??????????,???????????20??????40??????????????????????????,??????????6???,?12??14??????????
???????,??????????????
“??????????”??????,?????????,??????,?????,???????????19???????
?????????????????1985?,??????
????????????????????????????20??(???????????????????) ???:????