早期的竞选海报通常绘有候选人政客模样的蚀刻画像，使用木质或金属板材印刷，有时还会使用油墨着色。
Early campaign posters featured etched portraits of the candidates looking statesmanly and were printed using wood or metal plates, sometimes inked in color.
工程师正在探索如何采用油墨印刷的方式来制造太阳能电池，但是这个设备运行的并不好。
Engineers are exploring ways to print solar cells from inks, but the devices don't work as well.
在外壳上用油墨印刷各种花色图案的金属化塑料薄膜层直接粘贴上，完成了外壳的装饰作用。
The outer casing is pasted with a metallizing plastic film layer with various colors and patterns printed by ink to accomplish the decorative effect of the outer casing.
在外壳上用油墨印刷各种花色图案的金属化塑料薄膜层直接粘贴上，完成了外壳的装饰作用。
The outer casing is pasted with a metallizing plastic film layer with various colors and patterns printed by ink to accomplish the decorative effect of the outer casing.
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