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| 渗碳铜; 沉淀铜; 泥铜沉淀置换的铜 | |||
| 沉积渗碳铜; 泥铜 | |||
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| 渗碳铜 | |||
| 沉淀铜; 泥铜; 沉积〔渗碳〕铜; 沉淀置换的铜 | |||
| 沉积铜 | |||
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cement-copper : 7 phrases in 3 subjects |
| Metallurgy | 5 |
| Nursing | 1 |
| Technology | 1 |
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