????:2024-11-25 14:37:28 ??:????
????:???????????:???????????
??????????????????????????????????????? ?“????????”
?,???????“??”,???“?????”?????
???????“????????????????????????”??“???????”
????????????????????????!
????????,??????????,????????????????
???????,????????????????????,?????????????????,???????????
???,???????????“???????”????????????“?????????????????”,?????,????????????????????,?????,????????
???????,?????????“????????????????”,????,??????“????????????”?
??????????,?????,????1???????????2???????????????
?
??????????“???????”??“??????”??“????”
??,?????:
??????????????,???,?,?????????“?????????????????????????????”????????
??????????“????”,????,???????????????????????,???????????“?”?“??????”????????,?????????????,?,?????
?,??,???“90?”,??????????800????????,??????????“?????????????”,????400??????
???????,???“?????????”????????,?????????“????????”????????,??“?????”?
??????????????????????,?,?,???????????????
??????,???????????????
????????????!???????????????!
?????????????
??????????????????,??????????????????????????????????????,????,???
??«???????????????????»(GB/T 14272-2021)???:
??????????,??“??????????”?????,????“???”“??????????????”??????????“??”????????????,???
?????????????,????????????????????????????????????????????????????????????????????“???????????”,???????????????
??????,????????????,??????????????????,????????“????”,???????????
??????????,??????????????,????20???????????
??,???????????????????????,???,????,??????????????
?????,?????????????,?“??????????”??????????????,??????????“??????????”?????????
????“?????????”????????????“????????????”?40?,?6????????????«?»????????:
??????????????“??”????????
??????????????“??????????????????”????
?????????,?,???“????????”??,??????,????????????
?????????????????????????,????????????“??”?
????????????,???,???“????????????????”?,?????
????????,?????????,??,????????????????,??,??,???????7???
????????7????????????????????????????????????,??????,???????????????,???
????,??,???,?????????????????????????????,???????????,????,??????????
(??)
?????????????:??????