alpha paper

名词 n.
中文释义

英文释义

名词 n.
  1. A sensitized photographic paper that is coated with gelatin containing silver bromide and chloride, and is used for obtaining positives by artificial light. UK,dated,uncountable
    — The sheets of alpha paper which have been grained are first dipped in soft acetate remaining there for three minutes. They are dried in an oven and made ready for impregnation with hard acetate.
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