???????????,????!??????……
?,????????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????????,??,?????????????????
????:
????????
?????
??
?????????????????
?(??????)
????
?? ??????? ???? “?”????
???????????????????:???????????