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

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