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| 膨胀黏土集料; 膨胀黏土骨料; 多孔黏土集料; 多孔黏土骨料; 烧胀黏土骨料 | |||
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expanded clay aggregate : 13 phrases in 3 subjects |
| Architecture | 1 |
| Metallurgy | 2 |
| Technology | 10 |
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