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

2??????9598??

3???????

4????????

5?????

?9?????????????????28????????? (???????????????????)9????????????????28????????,????????????,????500??,???(????????????????????)???????,??,??????????????

????????????????? ??????????

??????,???????????????,?????????,??????????????????????????,??“??????????????????”????

??????2021?????????????11?????????,?????250??????????????,?????????270.808?????????,???197.134?,?????????????????????????????4??????,???????79.4%,??????????12‰?????????????????????23.4%,???????????30‰,???????

??????????????,????????????,???????????????????????????????????????,???????????????????????????30???????????????(?),??2000??????????????,??????????,?16???????

??,?????CCPG500A????????????,???,???????????,????????????,??????,????????

???????????????? ????

????????,????????,??????????????????????????????????????,??????????

?????,?,?????????,????????????????,????????,???(??????)

?????????????????????:??