????:2024-11-24 06:38:22 ??:????
????:??95???:????????
???????????????????11???23????????????(?? ????????????)11?????23??????????,“????”????????,???????
????????????? ??????????,????,??????????????????????????????????????????????????????????????????????????????????????????????????30?????80??,??,???????
????,?????????????????????????????????????????????????????;????,???????«GB/T23776????»????,???????????5??????????5??????????
????????????? ??????????????????,???,?????????????????????????????,?????????(????????????????)?,???????????????????,?????????????????????
???????,??,???????????,???????????????????,????????????????????????????????????????????????
?,???????“???????????????”??????,?????,????????????,?????????????????«??????»«?????????????????»«????»?????
???????????? ??????“???????????????????,????????????????”????,????,???????????,??????????,????;??????????????,????,??????????
??,??????,????????“?????????????????”??,??,“?????????????????”???????“??????”???????39.2??,?120????,??????2??,90%????,75%?????“?????????????”????54.76????,????????????????(??????????)
???????????:???????