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| 生物胶指动植物胶 | |||
| 天然高分子胶粘剂 | |||
| 天然高分子黏结剂 | |||
| 天然黏合剂; 天然胶黏剂; 天然胶; 动植物胶; 天然粘合剂; 天然胶粘剂 | |||
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natural glue : 2 phrases in 1 subject |
| Technology | 2 |
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