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单词 post box
释义

post boxn.2

Origin: Formed within English, by compounding. Etymons: post n.1, box n.2
Etymology: < post n.1 + box n.2
Obsolete.
A box containing mechanical shafting, mounted on a post.
ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > shaft > [noun] > parts of > other parts
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a1884 E. H. Knight Pract. Dict. Mech. Suppl. 713/2 Post Box, a shafting box attached to a post.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online December 2020).
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n.2a1884
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