- backward curved blade
- загнутая назад лопатка (рабочего колеса вентилятора)
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
Centrifugal fan — Figure 1: Components of a centrifugal fan Figure 2: Centrifugal fan … Wikipedia
Industrial fans — and blowers are valuable tools for moving air and materials required in a wide variety of manufacturing processes and industries, including cement, power, mining, coal treatment, pollution control, oil and gas, ethanol and steel. Ranging in size… … Wikipedia
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agriculture, origins of — Introduction the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… … Universalium
Baroque in Poland — Polish baroque lasted from the late 16th century to the middle of the 18th century. As with the baroque style elsewhere in Europe, the Polish baroque stressed the richness of the contemporary art forms. In contrast to the previous Renaissance… … Wikipedia
Yemen — /yem euhn, yay meuhn/, n. 1. Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People s Democratic Republic of Yemen. 13,972,477; 207,000 sq. mi. (536,130 sq. km). Cap.: (political) San a. Cap.:… … Universalium
bead saw — noun : a short saw with a curved blade and backward pointing teeth that is used for scoring grooves in window and door frames in preparation for weatherstrips … Useful english dictionary
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dinosaur — /duy neuh sawr /, n. 1. any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals. 2. something that is… … Universalium
turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as … Universalium