?? ?????????????????????
????:1?????:??????
2??????1000??????
3?????????
4????????
5????????????
?????????????1????????????????????3??? (???????????????????? ???????????? ????)??????3??????
????,??????????????????????????????????????????????????,?????????????????????????????,?????????“??”??“?????”,???????????
?????15??????????????,?????????
????10????,???????10????????????????“??????”?????????,????????,????????????????????“???”????
????,??????6.2????????????????,??????,???550??,??
?,????????,?????????????????????????????,????170???????????,????
???,???,?????????????????????????????????????????,?????????160???,??????????????????5????????,??????????6?????????,?????????????????10???????????,??20%?(?????????) ??????:???