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

2?????24????

3?????????

4???????

5????????

???????????,??1?,???????????????500??,??????????????????????????????,????????????253???????????

??????,????????????,10??,????????

?? ??:??,?????????,?????

???,??,????????????8000?????????????,??????????1000????

????????? ???:????????????1???????????,????3.3????,?????????????????????,??????????????,??? ????????????????????:????????????