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

???:?????