?? PFOS???:??????????
????:1???120?150?????:??????
2??????
3???????
4??????
5????????
??????????????,??????????????,????????????????,?????????????,????????????
???????????????:??????????????????,??????????????,????????????????,?????????????,????????????
???????????????:????????:1???120?150?????:??????
2??????
3???????
4??????
5????????
??????????????,??????????????,????????????????,?????????????,????????????
???????????????:????