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photochromic film; reversal film | |||
reversal film; inversor (摄影) | |||
reversible film | |||
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inversor | |||
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reversible film |
反 转 片 : 29 phrases in 8 subjects |
Agriculture | 1 |
Chemistry | 2 |
Electronics | 1 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Polygraphy | 3 |
Space | 2 |
Technology | 16 |