?? > ???? > ??

???:“??”? ???79????

????:2025-02-03 18:08:39 ??:????

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

??2??????????3??????????(?? ?)3?,?,?????????????????,??????13??????(???)?,??????????????79??

?????????2025??? ???

“??”????????????????,?-9?,?????????-33?,????????

2025??“??”????????????(2025???????2????????????3????????????8?4?????????8?????????????)? ?????????

??,????,?????????GB/T42074-2022«??»,?1991???????????????????2020??,????????13?????????(????????)????,??,??????????????4??????23?,??????????????“??????”??????????79?;?,???5?10?,??????????,??????96???????????;????????????????????????????????????????,??81?87?,??????91????????

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

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

????

  • ????
  • ????