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| 白铜 (一种铜镍合金) | |||
| 白铜; 镍银; 铜镍锌合金 | |||
| 德银 (一种镍铜锌合金); 白紫铜; 铜锌镍合金 | |||
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white copper : 7 phrases in 2 subjects |
| Metallurgy | 2 |
| Technology | 5 |
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