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| 荷兰黄铜锌12% ~ 20%，其余铜 | |||
| 荷兰饰金; 荷兰黄铜 | |||
| 荷兰金箔; 荷兰合金; 低锌黄铜箔 | |||
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Dutch metal : 5 phrases in 3 subjects |
| Construction | 1 |
| Metallurgy | 2 |
| Technology | 2 |
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