???????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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