???1??20???????????????????? ?????????????????,?,??«?»(GB16171.1-2024),????????????2012??????????«??????????????????????????»(GB 161712012),???????,???,?????????????????????
??,?,2023?????????????4.9????,???????????70%?????????????????,??????????4??????????????,?????????????,??????????,?????????????????????????????????????????????,?????,????????????????????????
???????????????,???????????????????????????????????????50%?40%?70%?50%???,??????????????????,??????,?????????2027????1?????????????????????1???????????????????,????????????????,????80%????????,?????????? ???:?????????
????:2016???????10?7.5????…
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??????????1-0???????43?
???:??????689????33?
??2017?????????AT??????
???24???:??????????????
??1?????????5.5%
?????????
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??????????????:10?5?????\"…
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????!??21?6??7000???????
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???????2018???????????
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