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| 11. | boiled [off] silk |
| 熟丝,脱胶蚕丝,精练蚕丝,熟绸,精练绸缎 |
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| 12. | alkaline scouring |
| 碱性精练 |
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| 13. | proficiency badge |
| 专长徽章 |
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| 14. | fermentation scouring of vegetable fibre |
| 植物纤维发酵精练 |
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| 15. | maintenance proficiency |
| 维修熟练程度 |
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| 16. | proficiency testing |
| 熟练水平试验 |
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| 17. | proficiency test |
| 熟练测验 |
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| 18. | dyeing with boiled silk |
| 精练丝染色 |
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| 19. | proficiency course |
| 专长课程 |
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| 20. | prescouring agent |
| 预精练剂 |
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