????!????!?????????????
????:2024-11-25 09:27:39 ??:????
????:???????:???????
??????????????????????,?????????????????????“????”,????????????????“??????????”??????????????????????
???????“????”?“?”
??“????????”!
????,???????????????????,???????????????
«????????»???????,?,???????,?????????????
??,??“?”???????“????”,?????,?????,?????????????,??
??????????????,??????????????“??”,??,???????“???????”?
????????,???????,????1??????????2????
?????????
????????????“??”?????“?”??????????“?????”
??,????????????:
«?»??,??,???????????????????,??“??????????”??
???????????????????????“?”,???????????????????,??????????????,???????????????????????????????????“??”????????????????“??????????????????”????????????,??????????,????????????????????,??????????????
????,??,???????“90??????”,???????800????????,?“?”,????????????400????????
??,?“????????????”???????????????????,?????“??????”????????????,??“?”?
?????????????,?????,??,????
????,?????????????????????????????????????
??!??????????????!
?????????????
«????????????»??????????,?????????????????,?????,???????
????????«??????????»(GB/T 14272 - 2021)???:
???????????,???“??”????,???????“?”“?????????”?????“???????????????”??,?????????
????,??????????????????????????????????????????????“????????????????????????”,???????
?????????????????,?????????????,???????????????,???????“?”,???
??,??????,??20???
????,?????,????,??????,????????
????,????????,????“????????????”???????????????????,?????“????????”???
??“?????????????”????????????“???”?40???????????,????????6?????????????«?»???:
??????????“???????????????????”??????????
???????????“???????????????????????????”?????????
«????????»?????,????????????????????????,????????????????????????????“????”??,??,???????????????
??????????????????????????????,??“???????”?
?????????????,?????????????,??“??”????????????,?????????????????????
?????????,???????????????,?,????????????????,?????,???????,???????????7?????
?????7??????????????,??????????,???,?????
?,???????????????,?????????????,????????????????,????,????,????????????????????
???????????:???????????????????
