?? PFOS???:????????????
????:1????????????:??????500?4???
2?????spa
3???95?????
4?????wx
5??????????
????PFOS??????,????????????????,??????????????????
???????????????????:???????PFOS??????,????????????????,??????????????????
???????????????????:???????:1????????????:??????500?4???
2?????spa
3???95?????
4?????wx
5??????????
????PFOS??????,????????????????,??????????????????
???????????????????:???