????!?????????????!????
????:2024-11-25 16:22:37 ??:????
????:????v:????
????????????????????????,?????????????????????????“??????????”,????“????????”??????????
??????????“???”??“????????”
????“??”!
??????,?????????????????,??????
«????????????????????????????»?????????????,??,????????,?????
?,???“??”??“????????”,??????????,?????????????????,????,??????
??????????,?????????“???”,????,??“???????????????”?
???????????????,?,??????1???????????2???????????????????????
?????
????????????????“??????????????”???????“?????”?????“?????????????”
???,?:
«??»????????,??,??,??????????“?????????????”????
??“?”,?,???????,????“??”?????????“??????”?????????,?????????????,?????????,??????????
???????????????????,????????,???????????“90????????”,???????800?????????????????????????????,????“?????????”,????????????400????????
?????????,?“???????????”????????????,????“?”????,???????“???????”?
?????????????,??????,?????,??????????????
??,?????????
??!??????????????!
??????????????
«???????????»???????????,?????????,?,???????????????
??«????????????????????????»(GB/T 14272 - 2021)??????????:
????,??????????“??”?????????,??????“??”“??????”?????????“????????”????,???
??,???????????????????????????????????“??????????????”,????
??,?,???????????????,??????????????????????????????“????????”,????
???????,??????????,???????????????20??
???????,??????????????,??????????????,????????,??
????????????,???????????????????????,????“???????????”?????????,???????????????????“?????”???????
???????“??”???????“????????????”??40??,??????????6????????????????????????????«???????»?????:
????????????“?????”??
??????????“???????????????????????????????”??
«???????»????,????????????????????,???“????????????”?????????,????????????,?????????
????????????????????????????????????,???????“????”?
??????,?,????????????????“????????????????????”????????????????,?????????
???????,????????,??????????????????,??????????,??,??????????,???7????
??7?????????,??,????????????,????????????????????
?????,?,???????????????????????????????????,???????????,?,?,????????????????
???:?????????
