????:1????????????:????????????

2???????????

3???????

4???98???

5??????????

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

?????????,?????,??????????60%?????,????????????,????????

??????????????,?1800??????????????????????????????????????6???????????6??,??????????6???????

?????????,????????????????????,??????????????,????????800???????????

????????????????????????????,?????????????????,????????,?????????21?????????

6?????15??????????,???????,??,???????,???????????????????????????,??74???????????????85%??????????????

????(6?????????16???????)??????,?????417?????????????????,?????????13???????,?,?????????????? ???:??