| 单词 | drifter drill |
| 释义 | > as lemmasdrifter drill b. Mining. (a) A miner who excavates drifts (see drift n. 15); (b) a heavy, mounted percussion drill driven by compressed air, used in mining for horizontal working; also drifter drill. ΘΚΠ society > occupation and work > worker > workers according to type of work > manual or industrial worker > miner > [noun] > other specific mine workers chipper1747 blaster1776 tributor1778 striker1824 shifter1830 bandsman1852 back-shift1860 drifter1864 metal man1883 stower1886 wagoner1886 hard rock1922 beacher1923 1864 Daily Tel. 16 Aug. The lead of rich pay dirt was lost for a short time, but..the drifters found it again. 1918 R. Peele Mining Engineers' Handbk. 1112 Drifters. 1921 Engin. & Mining Jrnl. 27 Aug. 340/1 Modern rock-drilling appliances of the hammer type fall into three well-marked groups, namely, the drifter..; the plugger..; and the stoper. 1946 G. J. Young Elem. Mining (ed. 4) xiv. 539 For work at the face 3½-in. drifter drills..are required. 1951 S. Higham Introd. Metallif. Mining vii. 88 When rapid advance is desired, rigged drifters are used. < as lemmas |
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