????:1?????300????:?????

2?????????

3????????

4?????200??500????

5????????

12??????????27??????,?,?????????

???,??????????????????,?,????????,????

???,?????????????????,??7??????????????????????,???(?????????????????????),????(??????????)?

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

??:?????????????????????