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| 波纹屋面材料; 波纹屋瓦 | |||
| 波纹屋顶; 瓦楞屋顶; 瓦楞屋面; 波形箱顶; 波形屋面 (板); 波形板屋面 | |||
| corrugated roofing: 31 phrases in 2 subjects |
| Metallurgy | 1 |
| Technology | 30 |
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