?? > ???? > ??

???????????,????????……?????????

????:2024-12-05 17:16:01 ??:????

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

??,???????????????????????????,???????????……

???????

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

????????????“?”??????????,???????????11??28?,??,?????????

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

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

??????????

?:???????????“?????”????????“???????????”

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

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

???«?????»(GB/T 14272-2021),???????2022???????4??????????????1???????????????3????????????1?????????,??????????????????????,??????????????50%?????????????????2022??,????????????????????“??????????”????????????“????????”?

?,???????,????????????????3????????,????,??????

“???????????,?????”????

??????

????:???

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

“???????,?????”??????????,?(??????????)?????????,??????,?????????,?????????????,???????????

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

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

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

“????????????????”??????????,?????????????????,??????,????????90%??????80%?????????????????;?????90%,???

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

2007???,????«??»??????????????????????????,?????200??,80%???????90%??;????????200?????????,80%?90%???????????????????

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

?????

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

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

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

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

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

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

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

????

  • ????
  • ????