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Once they had the ink, Cho and his colleagues built roll printers to transfer ink to the final material.
这种油墨一创造出来后,乔和他的同事便造出滚式印刷机,以便将油墨转移到最终所需印刷材料上。
youdao
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Once they had the ink, Cho and his colleagues built roll printers to transfer ink to the final material.
这种油墨一创造出来后,乔和他的同事便造出滚式印刷机,以便将油墨转移到最终所需印刷材料上。
youdao