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carburettor n. 汽化器;化油器 汽化器;化油器 carburettor n 1: mixes air with gasoline vapor prior to explosion [ synonym: { carburetor}, { carburettor}] Carburetor \ Car" bu* ret` or\, Carburettor \ Car" bu* ret` tor\, n. 1. ( Chem.) An apparatus in which coal gas, hydrogen, or air is passed through or over a volatile hydrocarbon, in order to confer or increase illuminating power. [ Written also { carburettor}.] [ 1913 Webster] 2. One that carburets; specif., an apparatus in which air or gas is carbureted, as by passing it through a light petroleum oil. The carburetor for a gasoline engine is usually either a { surface carburetor}, or alternatively a { float carburetor} ( called also { float- feed carburetor}, or { spray carburetor}). In the former air is charged by being passed over the surface of gasoline. In the latter a fine spray of gasoline is drawn from an atomizing nozzle by a current of air induced by the suction of the engine piston, the supply of gasoline being regulated by a float which actuates a needle valve controlling the outlet of the feed pipe. Alcohol and other volatile inflammable liquids may be used instead of gasoline. [ Webster 1913 Suppl.]
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