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单词 bore-rod
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bore-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.
extracted from boren.1
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更新时间:2025/3/23 7:06:35