??????,????!???????????……

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

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

??????????:

?????

?????????

??

???????????

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

?

?????????????? ???? ?????? “?”?????

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