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| duralium; Duroid; ultralumin | |||
| dural; duralumin; duralumin alloy; duraluminium; duraluminium alloy | |||
| duralumin (铝铜锰镁合金); dural (铝铜锰镁合金); duralium (铝铜锰镁合金) | |||
| duraluminum; hard aluminum; hard aluminium | |||
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| dural; duralium | |||
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| dural; duralium | |||
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| alpax | |||
| 硬 铝: 140 phrases in 19 subjects |