?? ??????????????6.8????24?? ???767?
????:1???????????:??????????
2?????????
3???????
4???????????
5??????????
????1??8? (? ? ???????? ?)1??7??????????9????05??,??(?87.45???,??28.50?)?6.8????????????,?????10????????,????,???1??7?23?,??600?????106?????5????????8?9????????????,??435??79?????????????
??,??8????????????9??????????????,???15?,???????767???,????1000??????????????????,??,??
?????1??7???????????????????,???????????????? ??????????17????????,??????????,?????????????21?,?2600???,???120????????,???1700???
????,??????????????(??)
???????????????:?????????