- double-fins impeller
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крыльчатка со спаренными лопастями
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… … Universalium
undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… … Universalium