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| breathing material; breather | |||
| air pervious material | |||
| 透气 材料: 20 phrases in 8 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Footwear | 1 |
| Metallurgy | 4 |
| Plastics | 3 |
| Polymers | 1 |
| Space | 1 |
| Technology | 8 |
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