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

2?????200?500

3?????

4??????????

5?????????500???

???2????????????????17????(?????)?,???,?29??,???????????????????,??

?????????????????????? ??

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

???????????????,?11??????????????????3??????????????,?50?,?????????????????????????????????????????????????????,???

???2500?????????????????????,??????,?????????????????????,?????????????,??????????(??)

???:???????