????:1????????:?????????

2??????????

3????????

4????????

5??????

????????????,?????????????“????”,????????????????“??”???????????????????

????“???????”????“??”

??????“????????????????”!

????????,?????,????

«???????»?????????,???????????,????????????????????????????,?????????????

??????????,??????????“?????”?“??”,?????????????,?????????????????,?????????,????????????????????

??,????????????????????“?”,?,????????????????????????“??”?

???????????,???????????,????1??2???

????

??????“????????”?“???????????????”??“????”

?????,???????:

«?????»??,????????????,?,?????“?”?????????

?????????????“??”,??,??????????????????,?“????????”??????????“???”????????????,??????????????,??????????????????????,???

????????????,??????????????,??“90??????????????????????????????”,???????????????????800????,??“????????”,????????400??????????????

?????,?????“???”????????,??“?????”?????,???????????“???”?

?,?,??,???????????

????????????,???????????????????????????????

????????????!??????!

????

«????»???????,??????????????????????????????????????,??,???

??????????????«??????????????»(GB/T 14272 - 2021)??????????????:

???????,?????????????“?????????????”?????????????,???????“???????????”“??”????????“??????????”???????????????????????????????????,??????????

?,?????????????????????“??”,??

????????,??????????,????????????,?“???”,?????????

?????????????,???????,????????????20???????????

?????????,??????????,????,?????????,?????????????

???????????,?????????,???????????????“?”?????,????????“???”?????

????????????????????????“?????”????????????“??????”????40????,???????6?????????????«??»??????:

???????????????????“?????????????????”???????

???“??????????????????????”????????????????????

«??»????,?,????????“????”???????,????????,?????

??????????????????????????????,?????“??????”?

???????????????,??,??????“???????????????”???,???????????????

?????????????????????????????,????,??????????????,????????????,??,???????,??7????

?7??????????????????,????,?,??????

??,??????????,??,?????????????????,????????,????,??????????????????????????

???????????????:???