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| 原材料指工业上的 | |||
| 纯净原材料 | |||
| 原始材料 | |||
| 纯净物料; 新配造型材料 | |||
| 原料 | |||
| 原始材料 (烧蚀材料在烧蚀过程中未发生热解反应的材料) | |||
| 纯净原材料; 新料; 原材料; 新生材料; 未使用材料; 半成品 | |||
| virgin material: 2 phrases in 2 subjects |
| Bridge construction | 1 |
| Technology | 1 |
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