| 单词 | diamond-borer |
| 释义 | > as lemmasdiamond-borer diamond-borer n. =diamond-drill (b). ΚΠ 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) I. 445 In soft strata it is somewhat difficult to obtain a core by the diamond borer. < as lemmas |
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