Bi Sheng first introduced movable type printing in the 1040's.

活字印刷术是11世纪40年代由毕升发明的.

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Bi Sheng invented movable type printing.

毕升发明了活字印刷.

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Duplicator: Small office - type printing machine that reproduces copy in small quantities and of a lower quality.

复印机: 办公室用小型印刷机.它适合复印品质要求不高的小量文件.

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Vacuum aluminium - plating paper is a kind of environmental protection type printing & packaging material.

真空镀铝纸是一种 绿色环保型 印刷包装材料.

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Small office - type printing machine that reproduces copy in small quantities and of a lower quality.

办公室用小型印刷机.它适合复印品质要求不高的小量文件.

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Bi Sheng invented the movable - type printing. The technique of block printing reached its stage of maturity.

毕发明了活字印刷, 雕版印刷技术也日臻成熟.

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