offset news print
... offset machine 胶版印刷机 offset news print 胶版新闻纸 offset oil based ink 胶印油型油墨 ...
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进行了酶与超声波协同作用对彩色胶版印刷新闻纸脱墨的研究。
A new process for deinking of colored offset newsprint with enzyme treatment in cooperation with ultrasonic wave was studied in this paper.
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