?????? 12????????

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

????12??3?????????? (?????????? ??????)?????????3??????????,?????????,????????12?2?;12??????????????

12??3??,?????????? ???

???????,???????????,??????,???1961??11???“????????????????”,??????,???????

???,??“?????”???(GB/T42074-2022)?,?5???????????10.0?,??10???

??,??,?12??????????,???????

?????,12????????3??????????5?????,????????,???,???????????????,???????,?????????6?8?,?,???????????,??????25??26?,????????19????????20??(?)

???????:???