??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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