??????,????!???????????……
?,??????????????2????15??:?????????????2??4???????,?????? “?????”,???????!
????,??,2????12?????18??????????,?“???”?
?,??????????????????????:??????????????????????????????????????????,??????????????????,???
????? | ??
???????????????,??????????????????????????????????
???
????,??,???????????
???,??????0????????60????????,?????????????????????,????????????????
??????????,??????????,?75%???????????????
??????,??????
?,???????????
????????(????????18???????????????????????)??????(?????????2448?)???????(????????25???,???????????????????23?????)?????????????????????(??????060???????????????)???(?????624??????,????????)??????
????,????????,???????:
????????????????????
????????????????????????????????????????????
??,??,???????
?????,??????
??,??????
???????,??,?????????????????1????3??????????,???????
?,???????????
?????,?????????????????????
??????????????,??????????,??????????
?????
????«???????»,??????,???
???????????????????????
??????????,?????????,????,?????????;
?(?????????????????)???????????????5000mg/L~10000mg/L?????????????,?????????????,??????????30?????????,????????;
?????????,???????;
???????;?????
?????????
????????,?????;??????,?????????1000mg/L?????????30????????,??????????????
????????
???????????????,????500mg/L??????????30??;?????????????30???????????????,??????,????????????????
??????????????
?????(???????????)???????????????????????????,?????30?????????????,??????500mg/L??,???30??,?????????
???????????????
?????????????,??????????????,????????0.5%???????3??;?????????????????????0.1%???????????????
????????
????????????
???
?????????????????????????????
??????????????,????20??????
??
????,??????,??????????????????????
????????
???????????
??,???????????????,?????????
???,????????????????
?
??3????,?????????????,???
?????????:
???????????
?????
??
??????????????????
????(?????????)
?????
???? ???? ????? “?????”???????
?????????:????????????
??