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

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