?? ??????????????????
????:1???????????:??????????
2????????????
3???????
4????95??
5?qq??????
????11??23?????????(????????????? ????)11????????23????,“?????”?????,???????
????????????? ??????????????,????????????,???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????30????????????80??????????,?????????????,???
??,???????????????????????????;??,?????????????????«GB/T23776???»????????,???????????????5????????????????5???????????
??????? ??????????????,????,???????????????,?(???????????)????,?????????????????????,?????????
?,????????????,?,????????????????????????,??????????????????????????????????????????
??????,??????????“???????”???,??????,???????????,????«????»«?????????»«???????????????????»???????????????
???????? ????“???????????????????,????????????”???????,????????,???????,?????????????,???????????;??????????????????????????,??,????????????????
??,??????,??“?????????”????,?????,“?????????????”?????“????”?????????39.2????,????120??,??2???????????????????????,90%????,75%???“????????”????54.76???????,???????(??????????????????)
???????:???????