guest Moderator 管理成员 注册 2002-10-07 消息 402,289 荣誉分数 76 声望点数 0 2016-03-14 #1 Perfluoroalkylated substances, or PFAS, have been discovered in the drinking water of some homes west of Ottawa near a federal government fire research facility. What exactly are PFAS? 查看原文...
Perfluoroalkylated substances, or PFAS, have been discovered in the drinking water of some homes west of Ottawa near a federal government fire research facility. What exactly are PFAS? 查看原文...
