单词乎

crown glass

汉语翻译

【化】 冕玻璃; 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
  2. optical glass of low dispersion and low refractive index
    同义词:optical crown, optical crown glass
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