| 单词 | twist-drill |
| 释义 | > as lemmastwist-drill twist-drill n. see quot. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > drill > types of bit rose bit1842 pod-bit1875 twist-drill1875 twisted bit1875 chamfering-bita1877 twisted drill1884 twist-bit1901 Forstner bit1902 1875 E. H. Knight Pract. Dict. Mech. Twist-drill, (Metalworking) a drill having a twisted body like that of an auger. 1889 P. N. Hasluck Model Engineer's Handybk. 66 A twist drill will run through easily and will leave two holes. < as lemmas |
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