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单词 pinion
释义

pin.ion DEVICE
5pIn7jEn
n [C]
a small wheel with teeth-like parts around its edge which fit against similar parts around the edge of a larger wheel or along the side of a RACK (= bar with teeth-like parts)
小齿轮
a rack-and-pinion assembly
一条齿轨----齿轮装配线

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更新时间:2025/3/14 11:38:46