英语词汇“slide projection lens”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	slide projection lens
释义	slide projection lens 幻灯放映物镜[ 用于将透明幻灯片图像投射于银幕上的中等孔径(约为 f/3.5)物镜。(IXB)]
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