????:1???????:???????150?

2?????????

3???????????

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

5????????

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

??????500??????“???????????”,??“????”,????????,“????????????????????????????????????????????”??,????

?“?”,???“???”,???“???????????”?

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

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

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

?,????????????????????????????,?????“???????????????????????????”????????????????????????????????,?????????????????????,“?‘?????????????’????,??????”?

??????,??,?????“????????,??????????????‘??????’????”????????????????????????

??????3????????,????????????,???????????????????????PVA????,???????????????700?????????PVA??????

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

?????????2023???????????6?,“??”??????,????????????????????????,????????????,???,???

?????????,“???????????”?????????????“???????????”???????????????“?????”?“???????????????????,‘???????’??,?????‘????’???”????????

??“??????????????????”????,???????

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