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古诗词网旗下英语词典提供crown glasses的意思:

汉语翻译

【医】 冕牌玻璃

英语解释:

名词 crown glass:

  1. a glass blown into a globe which is later flattened and spun to form a disk
    同义词:crown glass
  2. optical glass of low dispersion and low refractive index
    同义词:optical crown, crown glass, optical crown glass