?? ????????? 587??????????
????:1??????????:??8t????
2?????????
3???????????
4???????SN????
5???95?
?12?20?? (???????????? ????)????????????????20???????,??,????160????587?,?????????????600????93%?????(????????)?
???????????????????,???,???,?????????????????????????,????????????,??2021????,????5000??(??????????????????????,?????),?????????????100??;???,??????2.51????,??????????503??????????????????
?????,??????????????????,???????????“??????????????????????????????????”??????,???30??????????????
????????????,??90???,???????3??“???????”???,????30?“?????????????”?,?????????
??????????????,??????????????,?????????????????????????,??????,???(?????) ???????????????????:??????