????!????!?????????????
????:2024-11-25 01:48:27 ??:????
????:?????????:????????
?,???????“???”,?????????????????“???”?????????????????????????
????????????????“????”???????“?????????????????????????????”
??“????????”!
??????????????,???????????????????????,??????
«???????????»?????,??,?,????????????????
????????,????“?”??“????????????”,???????????????????????????????????,????????,?????????,??????????
?????,?“?????”,???????????????,??“????????????”?
??????,????,????????1????2???
??????????
?????“?”?“???”??“??”
??????????????,?:
«??????»?????,?????????,??????????,??“??????????????”???????????????
?????“??????”,??????????????,???????,???????????????????“????”????????“?????????????”????????????,????,???????,??????
????????,??,???????????“90????????????????????”,???????800?,??“???”,?400??????????????
?????????????,???????????“??????????”????,??????????????????????“?????????????”???,???????“????????”?
???????????,??????????????????,?,????
???????????????????,?????????
????!???!
??
«??»????????,??????????????????????????????????????,????,????????
???«????????????????????????»(GB/T 14272 - 2021)?:
??????,?????????“???????????????????”???,????“????????????”“?????????????”???“???”????????,?????????????????????
??????,???????????????????????????????“??”,???
??,??????????,????????????,????“??”,????????
????????????????????????,????,??20??
?,????????????,??,??,??????????????????
?????????????,????????????,??“?????????????”?????????????????????,??????????????????????????????“????????????????”???
?????????“???????”???“????”????????????40?????????,??????????6??????????????????????«?»????:
??“??”???????
?????????“?????????????????????????”????
«???????»??????????????,??,??????????“??????????”????????,????,?????????
?????????????,????“??????”?
???????,???????????????????,?“???????”??,???
??????,??????????,??????,?????????????????????,??????????,????,??????????????7????????
????????????7?????????????????,?????,???????,??????
???????????????????????,???,??????????,????,?????????????,??????????,???????????????????????
?????????????:?????????????????
