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单词
epicyclic train
释义
epicyclic train
n.
(名词)
A system of gears in which at least one rotating gear revolves about another.
行星齿轮系:一个齿轮系统,其中至少有一个转动的齿轮围绕另一个齿轮转动
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更新时间:2026/6/11 20:37:35