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| 基本原材料 (包括：原料 (raw materials), 半加工产品 (semi-processed products)，外购物 (bought-out items)) | |||
| 基体材料; 基层材料; 底层材料 | |||
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| 原料; 原始材料; 涂装基体材料 | |||
| 母材 | |||
| 基本原料 | |||
| 碱性材料 | |||
| 基础材料; 基本原料 | |||
| 基础材料; 基础资料; 原材料 | |||
| 主料; 基本材料 | |||
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basic materials : 16 phrases in 9 subjects |
| Bridge construction | 3 |
| Business | 2 |
| Commerce | 1 |
| Economy | 2 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Technology | 3 |
| Textile industry | 2 |
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