英语词汇“primary principal focal length”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	primary principal focal length
释义	primary principal focal length 《英汉医学词典》primary principal focal length 前主焦距,前焦距 primary principal focal point 前主焦点
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