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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%????????????????????,???​​​​ ????????????????:??????????????