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

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

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