6?????26??????????????????????????????,???????????????

??????????190.65?,????8.75???,????????????????????600???,?????????,?P2????????????????????,?????????????????????????????????????,?,??1400?????????????????????????,?????

????,??“2+3+N”?????,????????????(????????? ?? ??????????????????????)

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“??????”????

?? ???????????????

????:1???????:?????????

2????????????

3???100?3???

4??????95?98????

5???98?

6?????26??????????????????????????????,???????????????

??????????190.65?,????8.75???,????????????????????600???,?????????,?P2????????????????????,?????????????????????????????????????,?,??1400?????????????????????????,?????

????,??“2+3+N”?????,????????????(????????? ?? ??????????????????????)

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