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| F含锌硬铝铜2% ~ 3%,镁 0. 25% - 0.5%，锰 0. 25% - 0.5%，锌 15% ~ 20%,硅0. 2%,其余铝; F 含锌硬铝合金 (2~3Cu, 0.25-0.5Mg, 0.25 〜0.5Mn, 15 〜 20Zn,0.2Si,余量 Al) | |||
| F alloy: 7 phrases in 1 subject |
| Metallurgy | 7 |
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