... even harmonic 偶次谐波 evenly divided scale 等分刻度 event control block 事件控制块 ...
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evenly divided scale detail 等分刻度
evenly y divided scale 等分刻度
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The feet of the marking device are two aequilate and isopachous straight stripe feet, and the evenly divided scale and the ruler scale are engraved on the feet.
划线规的脚为等宽、等厚的两直条脚，并刻有等分刻度及直尺刻度。
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