更让人自豪的是，打印机的墨盒可以封闭循环，现在的打印机使用的就是旧墨盒。
It is proud of having closed the loop on ink cartridges for its printers, which it now makes from old cartridges.
更让人自豪的是，打印机的墨盒可以封闭循环，现在的打印机使用的就是旧墨盒。
It is proud of having closed the loop on ink cartridges for its printers, which it now makes from old cartridges.
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