???????????,??????!????……

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

??????:

?????

?????

????

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

??????(??????)

??

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