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

?????? ????

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

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

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

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

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

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

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

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

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

?????:??? ??“??????”

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

????:1???????:????vx???

2???????100?????

3???????

4???????????

5??????????????

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

?????? ????

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

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

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

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

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

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

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

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

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

?????:???