?? ????????? ???3837??
????:1????????????:??????????3000
2?????????
3????????????
4???????
5????????????
????????6??????????28?? (??)?28????,26???????20????????????28?????12??????,????50??8???2??????????????23?3837?????????????,???????????????(????????????)???
28???????????,??????,???28????????????
??????? ????????? ???,????2.01???????????1.51??,???,?????;??????????,????6??????????????????21?438???????
?????????,????????????????????????????????,????????,???
???????????????? ??????????????????????????,??,?,???????????????????28??????????12??,???2163??640??,???????????22??????????
??????????????????,27?????28??8???????????,???????????????????????????,9??,?????6.5??????
??,?????????????????????????????????(???????????)????????,?????72???7??507???????,??????????????3000?????????4200???????????????,???????????????????????????530??(?)
??:?????????