英语词汇“sight base”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	sight base
释义	sight base sight base [′sīt ‚bās] (ordnance) In gunnery, the distance between the eye and the rings of an optical ring sight. Mount for a gunsight.
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