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21. | printing science |
| 印刷科学 |
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22. | newspaper printing |
| 报纸印刷 |
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23. | security printing |
| 证券印刷 |
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24. | printing material |
| 印刷材料 |
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25. | indirect printing |
| 间接印刷 |
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26. | curved surface printing |
| 曲面印刷 |
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27. | screen printing |
| 丝网印刷 |
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28. | printing machinery |
| 印刷机械 |
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29. | printing pressure |
| 印刷压力 |
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30. | foam printing |
| 泡沫印刷 |
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