micrometer screw
noun
A screw of fine pitch attached to optical and other instruments for making fine adjustments of position.
Origin
Mid 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.
| 单词 | micrometer screw |
| 释义 | micrometer screwnoun A screw of fine pitch attached to optical and other instruments for making fine adjustments of position. Origin |
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