?? PFOS??????????:???
????:1?????????????:????
2????????95?98?
3???????453??780?
4???????
5?92??95??98?
???????,??????????,???????????
??????????????????????:??????????,??????????,???????????
??????????????????????:???????:1?????????????:????
2????????95?98?
3???????453??780?
4???????
5?92??95??98?
???????,??????????,???????????
??????????????????????:???