?? ??????????????????
????:1????????????:????
2????????????
3?????200????
4???????
5??????????
?????11????????????23?????????????(?? ?????????)11?????????????23??,“????”???????????????????????,?????????
?????????? ?????????,??????????,??????????????????????????????????????????????????????????????????????????????????????30??80??,??????????,??????????????????
??????,??????????????????????????????????????;??,????????????«GB/T23776??????»????,?????5????????????????????5????
???? ??????????????,??,??????????????????,??????(????)??????????,??????????????????????,????????????????????????
??,????????,????,????????????,??????????????????????????????????????????
??????????,??????“????”??????????????????,??????,?????????????,????«????»«??????????»«??????»??????
??????? ????????“??????????????,??????”??????,????,??????,????????,??????????;?????????????????????????????,????,?????
????,????????????,????????“????”???????????,????,“??????”????“??????????”??????????????39.2?????,?????????????????120?????????,???????2???????????????????,90%????????????????,75%?????“??”??????????????54.76??????,????????????(??)
????????????????:?????