crown glasses

 
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crown glasses的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 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

crown glasses的相關(guān)資料:

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