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| 建筑用塑料 | |||
| 房屋上用的塑料树脂; 建筑塑料; 建筑用塑料 | |||
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building plastic : 12 phrases in 4 subjects |
| Chemistry | 2 |
| Plastics | 1 |
| Polymers | 1 |
| Technology | 8 |
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