????:2024-11-24 07:01:42 ??:????
????:??????q?q:??????????
????11???????23??????????(???? ?????????????)11??????23????,“????”??,??????????
????????????????? ?????????????,?????,????????????????????????????????????????????????????????????????????????????????????????????????????????30????80????????,?????,?????????
?????????,????????????????????????;??????,????«GB/T23776???????????????????????»????,?????????5???????????????????????5??????????????
???????????? ????????,????,?????????????????,??????(???)??,????????????????????,??????????
??????,????????,??????,??????????????,????????????????????????
????,???????????“????”?,??????????????????,????????????,??«????»«???????????»«???»??????????????????
???????? ??????“?????????,?????????????????”????,??,??????????????,????????????????????,????????????;????????????????????????????,??????????,???????
???????,???????????,??“??”??,??????????,“???????????????????”??????????“??”???????????39.2?????????????????,????120????????????,????2???,90%??,75%??????“??????”??54.76??????????????,???????????????????????????????????(?????)
???????????:???????????