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