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2022
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07
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25
During printing, the printing plate fixed on the printing plate cylinder undergoes moisturizing and ink feeding processes. On the treated printing plate, the principle of immiscibility of oil and water is used
2022
-
07
-
25
General gases have the property of diffusing from high-concentration areas to low-concentration areas, and water vapor is no exception. When the water vapor concentration in one side of the blister material
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