????:1?????????:???????

2?????????

3?????????????

4???????

5???????

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

?????:

??

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

?????

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

?(?????)

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

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

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