?? (????????)?????2.5???? ????????
????:1???????:???????
2?????500??
3?????
4???????
5???????????
??????1??????23???(??????????????)??1??20???????3?????,?????????,??2.5????,???
??????????????????,???????,???????????? ??????????????,?????????2500?????????,??????????
?????????????????????,????????2.5??????????????,?????????????????“????”??????????????,??????8000?,??2000???????????????2000?????600?????????
??,???????????????????????????????5000????,???????,???????????????????????????,???????50?????????“?????”,?????
2025“??????????????”?????????? ???????????,?????2025“?????????”????,??,???????????“????????”“???”“??”“??”???????,???????????
????????22?????????,?,?????????????????????????????;?,????????3D??,??????????????;???????????,??????????????????……
??????????? ??“???,???”??????????????????,“????????,???,?????????????,??”(????)
?????:???????