?? PFOS??:???“????”PFOS
????:1??????????:??????
2????????
3???????
4?????????
5????????
?????????,???,??????????????PFOS???,?????????????,?????????????
?????:????????????????????,???,??????????????PFOS???,?????????????,?????????????
?????:???????????????:1??????????:??????
2????????
3???????
4?????????
5????????
?????????,???,??????????????PFOS???,?????????????,?????????????
?????:???????????