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4??????

5?????

?,???????????????(1?13??????????),????????,???????????????????????????????

???????????????????,??????????????????????????????????????«????»(GB 177612024),????????????2025??????????9???????????1??????,??????????(GB 177612018)???????????????????????????:

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???????????????5.5%;

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??????55kg????????63kg;

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??,??????????8??:???????????????????2025????????????8???31??????????????,?,?????????;2025????????????9?????????????1????????,?????????????????????

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