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

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

??,?????????????????50%?40%?70%?50%??,????????,????????????,????????????2027??1??1?????????????,???,??????????????????????????80%?????????????????,??​​​​ ????????????????:????????????????? “???????”_????

?? «??»???????????????

????:1????????:????????????

2????????

3????????

4????????

5??????????

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

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

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