| 单词 | oval-bored |
| 释义 | > as lemmasoval-bored ΚΠ 1858 W. Greener Gunnery in 1858 115 The gun has since been made two inches larger in the bore, and even oval-bored. 1865 Sci. Amer. 28 Oct. 272/1 Under that definition the internal sectional area of an oval bored gun must necessarily be larger than that of a grooved gun of the same nominal caliber. < as lemmas |
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