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单词 maiden nut
释义

> as lemmas

maiden nut
maiden nut n. Mechanics Obsolete rare the inner of two nuts on a screw.
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society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut
nut1507
screw nut1604
screw box1656
maiden nuta1884
a1884 E. H. Knight Pract. Dict. Mech. Suppl. 575/2 Maiden nut, the inner one of two nuts on the same screw; the outer is the jam-nut.
extracted from maidenn.adj.
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