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

2??????????

3???300????

4???400????

5???998?1298??

2?7??,??????????????????????????A???????????,????

?????????????,??2???????????????40??????????????????????????????241????8???????A?????????????

?,??????????????1500?????????,?????????????????????????2?????????????????????16?????????538?????????“??????????????????,?????,????????????,??????”????,??????

??,???????????,???????500???1000????

???,??????????????500????;??????1000???;?????????1500???

(????? ????????????? ???????? ????????????)

??:???