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

2???????????

3????????

4???98?

5???????

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

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

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