| 单词 | pump drill |
| 释义 | > as lemmaspump drill pump drill n. a drill in which the shaft is rotated by sliding up and down a crosspiece to which is attached a cord that winds and unwinds about the shaft. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > drill > drill worked by string or cord bow-drill1865 cord-drill1865 pump drill1865 thong-drill1865 fiddle-drill1888 Yankee fiddle1892 1865 E. B. Tylor Res. Early Hist. Mankind ix. 243 A curious little contrivance, known to English tool-makers as the ‘pump-drill’. 1964 W. L. Goodman Hist. Woodworking Tools 180 Another primitive method still in use by..natives of New Guinea is the pump drill,..with a flywheel made of stone. 1974 P. W. Blandford Country Craft Tools viii. 116 Pump drills were used by many craftsmen. 2006 Columbus (Ohio) Dispatch (Nexis) 1 Mar. 2 h You can try to make sparks with a striker and flint, and drill a hole with a pump drill. < as lemmas |
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