单词 | spur centre |
释义 | > as lemmasspur centre spur centre n. a lathe-centre provided with spurs. ΘΚΠ society > occupation and work > equipment > machine tool > lathe > [noun] > other parts of lathe steel bow1680 shear1812 dog plate1834 wheel-plate1859 turning-gauge1877 spur centre1881 tail-pin1887 cat-head1940 1881 F. Young Every Man his own Mechanic §592. 274 The following pieces are supplied with the lathe:..two plain centres, one spur-centre for wood. < as lemmas |
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