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| duralumin; duraluminium | |||
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| duralumin; hard aluminium alloy | |||
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硬铝 合金 : 32 phrases in 7 subjects |
| Aviation | 3 |
| Chemistry | 1 |
| General | 4 |
| Metallurgy | 7 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 14 |
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