| 单词 | bore-rod |
| 释义 | > as lemmasbore-rod bore-rod n. an iron rod used for making bore-holes. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > for boring in the ground auger1532 borer1572 boring-rod?1677 wimble1693 well borer1780 rock drill1836 miser1842 bore-rod1849 header1863 well drill1866 rig1875 well rig1875 trepan1877 broaching-bit1881 heading machine1897 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 8 To ascertain the nature of strata, by means of bore-rods. < as lemmas |
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