英语词汇principal focal distance是什么意思，principal focal distance的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	principal focal distance
释义	principal focal distance　主焦距
随便看	domestic draft domestic driving permit domestic economy domestic economy domestic economy domestic exchang domestic exchange domestic exchange settlement account credit domestic exchange settlement account debit domestic exchange settlement deposit domestic expenditure domestic express mail domestic factor domestic fecal sewage domestic fishery domestic flight domestic flight domestic flight domestic fowl domestic fowl domestic fuel domestic fuel domestic fuel domestic fungus domestic gas

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