??????2??8?? (??? ?)???????????????8?,?????2????,????????????????????????????????????????????????????????????????780????????????????

??? ???? ??

????????,??????????,??????????????????????,????,????????13????30??,?????????????????,15???????????30???,?????????????

??,?,?????????2?17?????????,??????????????????????????????????

?????????8????18?,???????????????????10??????????????30?????????????????,?????????????200?????(?????????)

?????????????:??? ??“????t?????”????

?? ????????????????780?????

????:1?????t?????:?????????

2????????

3????????

4????????

5????????????

??????2??8?? (??? ?)???????????????8?,?????2????,????????????????????????????????????????????????????????????????780????????????????

??? ???? ??

????????,??????????,??????????????????????,????,????????13????30??,?????????????????,15???????????30???,?????????????

??,?,?????????2?17?????????,??????????????????????????????????

?????????8????18?,???????????????????10??????????????30?????????????????,?????????????200?????(?????????)

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