??????,???????????!????……

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

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

??????:

????

???????

???????

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

????????(?)

??????????

???????? ?????? ????? “????”?????

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