conical (piloting) bearing surface

conical (piloting) bearing surface: коническая опорная поверхность (головок крепёжных деталей для центрирования закрепляемого колеса с целью предохранения его от радиальных смещений)

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space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… … Universalium
balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… … Universalium

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