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2025-01-21 02:49:42 56768

???1??20???????????????????? ?????????????????,?,??«?»(GB16171.1-2024),????????????2012??????????«??????????????????????????»(GB 161712012),???????,???,?????????????????????

??,?,2023?????????????4.9????,???????????70%?????????????????,??????????4??????????????,?????????????,??????????,?????????????????????????????????????????????,?????,????????????????????????

???????????????,???????????????????????????????????????50%?40%?70%?50%???,??????????????????,??????,?????????2027????1?????????????????????1???????????????????,????????????????,????80%????????,??????????​​​​ ???:?????????


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