bottom roller

bottom roller
one of the steel balls or rubber disks, about 41 to 61 cm in diameter, mounted on the bottom of a trawl

Dictionary of ichthyology. 2009.

Игры ⚽ Поможем решить контрольную работу

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  • roller skate — UK / US noun [countable] Word forms roller skate : singular roller skate plural roller skates a boot with four small wheels on the bottom used for moving quickly along, especially for fun or as a sport Derived words: roller skate UK / US verb… …   English dictionary

  • Roller racer — A Roller Racer is a human powered vehicle and children s toy.cite web publisher = The Experimental Nonlinear Physics Group, Dept of Physics, University of Toronto title = The Physics of the Roller Racer and the Plasma Car date = 2008 url =… …   Wikipedia

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