?? ??????? ??????3000???????
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????:1????????:??????
2??????????
3?????
4?400????????
5???????
???????????????????????9?????12???????? (?? ??????)???12????,???,????????,????????,???????
??????,??????????,?????????????????????????????????,?????????????????????????????????????????????“??????????????”“???”??????“??”“??”??????,?????????????????5800?,???????????2000??????,???????????????????3000????????
??????,????????????????,??“???????????????”“??”“???????????????”??????????“??”??????????????????????????????,?????????????????150????,?????????440????,?50???
????,??????????????????????????????,??,???4200??????,????254????????????,?????????????5.2????????,????,???????
?????????,????????????????????????????50??,????????600?????????????????????“???(????)?????”?????????????????????800?????,??,???????????????,????????????(??) ???:???????