?? > ???? > ??

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

????:2024-11-23 18:41:43 ??:????

????:????????:??94???????

????11????23??????????(???? ??)11????23???????,“????”????????,?????

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

???????,????,???????????????????????????????????????????????????????????????????????????????????????????30????80??,??????,??????????????

????,?????????????????????????????????????????;??,???????????????????«GB/T23776????????????»?????????,???????????5????????5???????????

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

????,????????????,????????????,??(????)????,?????????????????????,???????????

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

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

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

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

????,??????,????“????”????,??,“?????????????????”?????“?????”??????????????39.2?????????,??????????????120???????????????????????,???????????????2?????,90%??????,75%????“????”??????54.76??????????,?????????????????????(????)

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

????

  • ????
  • ????