??????????????????

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

?????2??7???? ?????????:???????????????,??,???6?????????????

?????????????,???6?,???1?????????26?,????????????????6000?????????????????????????????,5??????????,??5.2????,??????????????6??????,?????7???4.0????

????????,????????????,??????????????????????????????????????????????????????????6?????,?3??3??

??,?20000???,??340????????,?????11000?????????????,????

??????????????????,??????????????????????????,???????????????????,????????????6????????????(?????) ???????:?????????????????????