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fine adjustment wheel /ˈfaɪn ɐdʒˈʌstmənt ˈwiːl/ n

中文：微调旋钮

中文 · 微调旋钮Español · tornillo micrométricoFrançais · molette d’ajustage
Meaning：Thumbwheel for making very fine adjustments to the sliding jaw’s position.
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Vernier caliper

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