“????”????????:??,??????????

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

????????????????????? ????“?????”

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

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

?!

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

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

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

?????????????????,?“?”,????,?“????”?

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

????????????

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

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

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

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

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

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

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

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

??!???!

?

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

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

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

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

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

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

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

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

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

????????“??”????

?“????????????????????????”?

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

??????????????????,??“??????????”?

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

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

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

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

(????????????????)

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