Akwai hanyoyi guda biyu na bugu na bugu na canja wurin zafi, ɗayan shine canjin sublimation na thermal, ɗayan shine canja wurin matsa lamba mai zafi 1) Canjin canjin yanayin zafi shine don amfani da tawada mai tushen rini tare da yanayin haɓakawa, ta hanyar lithography, bugu na allo, bugu na gravure da sauran hanyoyin. a buga...
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