狠狠撸shows by User: RennyOSU / http://www.slideshare.net/images/logo.gif 狠狠撸shows by User: RennyOSU / 狠狠撸Share feed for 狠狠撸shows by User: RennyOSU https://public.slidesharecdn.com/v2/images/profile-picture.png College of Forestry, OSU, Corvallis