Foroveracentury,theNashuaRiverinMassachusettsprovide...
问题详情: Foroveracentury,theNashuaRiverinMassachusettsprovidedpowerforfactories,whichgavejobstothousandsoftheyears,thesepaper,cotton,wood,andwoolenfactorieshadpouredtheirwasteintoitswaters. ...