?? ??«?????????»???????
![](https://image.chezhanri.com/2019/0605/20190605164146582.jpg)
????:1???????:??????
2??????????
3?????????????
4???????????
5??????????
???????????????????????6?18???? ?????????????,??????????????,??????,???????????,?«??????????????????????»(GB 44022-2024)??,??????????2024?11???1???????????????????????
?????????????????????????,?????????????????????,?????????????????????,?,???????????????????????????,???????,????????????????????????????????????????????
???????????,???????????????????????,???????????? ???:??????????