Большой англо-русский и русско-английский словарь
pneumatic cleaning, pneumatic concentration, pneumatic preparation
Англо-русский словарь технических терминов
air cleaning горн., pneumatic cleaning, pneumatic concentration, pneumatic preparation
Русско-английский политехнический словарь
air cleaning горн., pneumatic cleaning, pneumatic concentration, pneumatic preparation
Dictionnaire technique russo-italien
arricchimento pneumatico