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单词 bore-log
释义

> as lemmas

bore-log
bore-log n. a perforated block of wood through which the bore-rod passes.
ΘΚΠ
society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > for boring in the ground > parts or attachments
topit1839
brake1849
tiger1864
bore-log1870
brace-head1875
stretcher-bar1883
sabot1884
1870 Spons' Dict. Engin. II. 501 The mouth of the well..ought to be secured by the bore-log.
extracted from boren.1
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更新时间:2024/9/20 17:30:18