?? ??????,????!???????????……
![](http://n.sinaimg.cn/news/transform/59/w1999h1260/20181105/s0vj-hnknmqx2048807.jpg)
????:1???????????:?????
2??????????
3??????????
4???95??
5???9598?
?????????????,???????????????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????????????,?????????,?????????????????
??:
??????
?????????????
???
????????????????????????
??(??)
??????????
??????????????????????? ?????? ????? “??????”?????????
??????:?????????????????????