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

2?????

3???????

4???????????

5????????

??????????12???????????????26??????????????????????????????? (?????????????? ???)12??????????26?,???“?????????????????”??????????????????????????,??4??????????,?,????

?,????300??,????3750???????????????????????3520???????????????,??????????

?(???????????????)???? ???????????

?,???????????????????????,?????1000?????????????????????,2021?,???

“?????????3??????????????????????,?????????????????????????G2?G3?????????????????????????????????????????????,????????????,?????????????????,???????????????”????,????

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

?????,?(17??????????),?,?????????????????????????,???44????????????????????????????????7?????,??????????310????,???????5??????????????????,????????????,???

?,?????????????????????????,?????????2???????????????????????0.5??,???3?????,??????????????????????????4???

“??????,???????”????????????????(???)

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