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

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