?? ????2.7???????????????????
????:1?????????:????????
2?????????
3?????
4??????????
5?????668??
??????2?????????????????5? (?? ???????????)????????????????2?????5?????,??????????????(1???????????????????28?????????2?4?),????????????(??????????????????????)?????????47????????2.7????,????????????110%?
1??????????????????27????????,???? ?????????????,???,??,??????
????,??????????,??97%,??,????????????????????????????????????????
“??????????,??????????????????????”??,?????????????
?????????,???????????????????,???????,???????????????????????????????,??????????????????????,????????(?)
??:??????????????????????