?? ???????????????????????????200??

????:1???????????:?????????
2?????
3?????????
4?????
5???????????
???????????2?20?????????????????(?????????????? ???????????)2??20???????????????,??,????????????200??????????,????????????????????????????????,????????????????????????

????????????????????????????,????????????????????????,????????????????1????,???????,?????????????????????????,?????????????,????????,?????,????????????????????
???????,?,??????????????????????????????????????????????????,??????????,???????????????????????????????????,????????????,????????,???????????????????????????,???2?????????????????????????20????,??200??????,????????,????????????????,??800????,??????????????????????????????????????????10?,?????????????2????????????????????????15????
?,?????????????,????????????????????,??????????,??“????”????????????????????,??????????,??????????????????,???????????(???????????????????)
???????????:?????????????????????