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单词 θ214612
释义
society > occupation and work > equipment > machine > [noun] > instrument measuring speed or motion of machine (2)
tachometer1810

An instrument by which the velocity of machines is measured; spec. one that indicates the speed of an engine in r.p.m.

oscilloscope1922

A stroboscopic apparatus used to make visible irregularities in the motion of rapidly rotating or oscillating machinery. disused.

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更新时间:2024/12/23 12:32:40