???????????,??????!????……

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

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

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

?

??

??

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

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

????

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

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