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heliotype是什么意思

heliotype

美['hiːlɪəˌtaɪp]  英['hiːlɪətaɪp]
n.  胶版;胶版画
  形容词:heliotypic
  近义词:collotype,hectograph,

英英释义

Noun
  1. duplicator consisting of a gelatin plate from which ink can be taken to make a copy
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