????,??????!???????????……

??

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

????:

?????

???????

???????

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

??(????)

????

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

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

?????????

?????????,??????!???????????……?????

????????