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2025-01-22 00:48:02 30663

???????????????1????21?????(??????? ???? ??????)“???????50mm/s,?3°??????5°,????2-5N?????……”1????????????21???????????,??????????,?,??????????,?????????????,????????????????????

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

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????“90?????????????????”,????“????????”10?????????????“?????????”,??,?????????????“B????”,?????????????

9??,?,?????????,????????????,??,???,??????,?????“???”?????,???

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

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

?????????????,??????????????10000???????,??????“??”,?“?????????”?

??,????????????16??????????????,?????????????????????????134????????,?????????465???

???“?????????????0.5??????”????????

???,??,?????????????????????????250?????,???????60?,??100%?(??????????)

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