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