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| 泡沬塑料 | |||
| 多孔性塑料 | |||
| 多孔塑料 | |||
| 泡沫塑料 | |||
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| 多孔塑料 | |||
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porous plastics : 2 phrases in 2 subjects |
| Polymers | 1 |
| Technology | 1 |
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