Большой англо-русский и русско-английский словарь
crest reduction, flood peak reduction, flood relief, retardation of flood flows
Англо-русский словарь технических терминов
crest reduction, flood peak reduction, flood relief, retardation of flood flows
Русско-английский политехнический словарь
crest reduction, flood peak reduction, flood relief, retardation of flood flows