???????????,??????!????……

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

???,?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?????,?????????,??????????????

?:

????????

??????????????????

????????

????????????????????????????????????

???????(?)

?????????????

?????? ??????????? ???????? “?????”????????

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