direct positive film造句
造句与例句
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- Kodak's chemistry kit for reversing Panatomic-X ( " Direct Positive Film Developing Outfit " ) used sodium bisulfate in place of sulfuric acid in the bleach, and used a fogging developer that was inherently unstable, and had to be mixed and used within a two-hour period . ( If two rolls, the maximum capacity of a single pint of redeveloper, were to be processed in succession, the redeveloper had to be mixed while the first roll was in the first developer .)
- It's difficult to see direct positive film in a sentence. 用direct positive film造句挺难的
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