英语词汇“epicyclic train”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	epicyclic train
释义	Trends of epicyclic train View usage for: epicyclic train in British English noun a cluster of gears consisting of a central gearwheel with external teeth (the sun), a coaxial gearwheel of greater diameter with internal teeth (the annulus), and one or more planetary gears engaging with both of them to provide a large gear ratio in a compact space epicyclic train in American English a system of gears, belt pulleys, etc., in which at least one gear or pulley axis moves around the circumference of another fixed or moving axis, permitting an unusually high or low velocity ratio with relative simplicity of parts
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Trends ofepicyclic train