?? ??????? ???????2.2????????
????:1????????:?????
2?????????
3?????????
4???????????
5???????????
???????????1????????????????????7??? (? ???????????????? ?????)??????????????7?????????,??6.8?????????????,???????????2.2????????????????
????,1???7???????????????9?5?????????????????????,?????(?28.50????????????,??87.45????)??6.8???,????????????????????10???????????????,????????????
?,??????????????????????????????,???????????????????????,???
?????????1500???
??????????????????????????,??,????????????????????????????????????????????2.2????????,????????????????,???????????????(????) ??:?????