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