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

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

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

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

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

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

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

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

??????? ????

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

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

????????????????:??????? “????????”????

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

????:1?????????:????????

2??????

3????????

4?????

5????????

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

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

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

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

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

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

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

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

??????? ????

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

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

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