Cov tshuab luam ntawv yog lub tshuab uas hloov cov duab rau cov khoom luam tawm uas siv cov khoom siv thiab number case. Luam ntawv nias cov cuab yeej siv tau tuaj yeem faib ua ob hom: lithographic luam tawm thiab nyem luam ntawv. Litaphic luam ntawv luam cov duab rau hauv tiaj tiaj, xws li cov ntawv thiab iav; Cov ntawv luam tawm cov duab kos rau saum npoo av, xws li cov nyiaj muas thiab cov npib.
Dab tsi yog lub tshuab ntawm cov luam ntawv xovxwm?
Aug 12, 2025
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