????:2024-11-25 11:23:34 ??:????
????:??????????12????:?????????
?????????????????,??????????????“??”,????????????????????????“?????”??????????????????
?“???”?????????????“??”
????????“????????”!
?????????????,???????????????????,????????
«??????????????????????????????»??????,????,????????????????,??????
?????????,??“?????”????????“?????”,???????????,?,??,???
???????,????????“????”,??????????,??“?”?
??????????????,??,????????1??2???
????
?“?????”????“???????????????????????????????????”???????“??”
??,?????:
«????????»????,??????????????,?,??????????“???????????”??????????????
???????“???????”,???????????,???????????????????????,????????“????”?????????????“????”?,???????????????????,?????????????,????
?????????????,???????,????????????“90?”,?????800?????????,????????“???????????”,??400??????
???,????????“??”???????????,??????????????“?????”????????????,???“?”?
????????,???????????????????????,???????????,????????
??,???????????????????????
?????!?????????!
??????????????
«????????????»???,?????????????,????,?????
??«??????????????»(GB/T 14272 - 2021)??????????????:
????????,?????????????????????????????“?”??????????????,?“?”“?”????“????”?,???????
?????????????????,?????????????????????????“?????????”,???????????????
????????????????????,????,???????????????,?????????“??????”,???
???????,???,????20????
??,????,???,?????,??????????????
??????,????????????????????,??“?”??????????????????????,??“??????????”???
???????“?”??????????“?”??????40???????,??6????«?»??????????????:
????????????“?????????”????????????????
??????????“????????????????????”??????????
«????????????????????????????»??????????,?????,??????????????????“?????????”??,?????????,?????
????????????????????????????,????“??”?
???????????????????????????????????,?????????,???“????”??,???
??????,???????????????,???????????????????,????????????????,??,??????????????,?????????????7?????????
???????7?????????????????????,?????????,???????????????,????????
????,???????,????,????????????????????????????????,??????,??????????,?????????????????
???????????:?????????