?? ????????? 2025?8?1????

????:1????????:???????
2????????
3?????????????
4????????
5?????
??????2????????19??????? ???,???????????????,????(?????????)???????????????«????»(GB/T 452312025)???????????????2025????8???????????????????????1???
??,????????,????????????????????????,????????????????????????????????????????????,?????????????????????????????????????????????????????,?????????????????,????????????,?????????????
??,??????????,??????????
???????????????????:??????????????