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| 高熔点合金 | |||
| 高温难加工的合金 | |||
| 高温合金; 耐热合金 | |||
| 难熔合金 | |||
| 耐火合金 | |||
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refractory alloy : 4 phrases in 3 subjects |
| Metallurgy | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
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