?? PFOS???:????“?????”?
????:1???400????:?????????
2?????
3???????100?????
4?51pc·mc??????
5??????
????????????,????????????????,??,???????????
???????????????????:???????????????????,????????????????,??,???????????
???????????????????:???????????:1???400????:?????????
2?????
3???????100?????
4?51pc·mc??????
5??????
????????????,????????????????,??,???????????
???????????????????:???????