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| 21. | high temperature and pressure degumming |
| 高温高压精练 |
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| 22. | refined pyridine base |
| 精练吡啶碱类 |
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| 23. | Dolly scouring machine |
| 捶打精练机 |
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| 24. | exquisite polish |
| 精练的文体 |
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| 25. | boiled linen yarn |
| 精练亚麻纱 |
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| 26. | continuous scouring machine |
| 连续精练机 |
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| 27. | cloth bag degumming |
| 装袋精练法 |
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| 28. | foam degumming apparatus |
| 泡沫精练机 |
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| 29. | degumming barrel |
| 精练桶《丝》 |
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| 30. | proficiency as; skill |
| 技能; 技巧 |
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