?2????7???? (?????? ?)???????????2???????????7??(??:“???”)??????????????????????,??(1????????????28????????????????2???4???),????6600???????????????1600????,????3784.3???????????????,???

??,?3000???,????,??

?????????

??,?,??????????,????“?”?????????????,?????????????

??,??????????????????8??,??3.3?????????????????????(???)

??????:????? “???????”????

?? ?“?”?“?????” ??????????

????:1????????:????wx

2??????

3??????????

4??????????

5??????????

?2????7???? (?????? ?)???????????2???????????7??(??:“???”)??????????????????????,??(1????????????28????????????????2???4???),????6600???????????????1600????,????3784.3???????????????,???

??,?3000???,????,??

?????????

??,?,??????????,????“?”?????????????,?????????????

??,??????????????????8??,??3.3?????????????????????(???)

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