单词 | stop-drill |
释义 | > as lemmasstop-drill stop-drill n. a drill with a shoulder or collar to limit the depth of penetration. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > drill > other drills jumper1769 screw drill1821 stop-drill1843 hand drill1845 Swiss drill1846 traverse-drill1853 crown borer1854 pin drill1858 foot drill1860 perforator1861 pin-bit1873 Archimedean drill1889 paddy1895 stope drill1908 stem1914 screw gun1945 1843 C. Holtzapffel Turning & Mech. Manip. I. 342 This is frequently regulated by boring holes..with a stop-drill. < as lemmas |
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