(28.56701.236.7261.7285.7438)
油墨-油墨（ink，printing ink）是用于印刷的重要材料，它通过印刷将图案、文字表现在承印物上。油墨中包括主要成分和辅助成分，它们均匀地混合并经反复轧制而成一种黏性胶状流体。由颜料、连结料和助剂和-youmo</br> generated by yvsou girl
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(28.56701.236.7261.7285.7438)
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(28.56701.236.7261.7285.7438)