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單詞乎

crown glasses

crown glasses是什么意思、crown glasses怎么讀

crown glasses漢語翻譯

【醫(yī)】 冕牌玻璃

crown glasses英語解釋

名詞 crown glass:

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