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鋁合金管

鋁合金板 鋁合金橘皮板

鋁合金板 鋁合金橘皮板

7075鋁板屬Al-Zn-Mg-Cu系超硬鋁,7075合金是20世紀40年代末期就已應用于飛機制造業,至今仍在航空工業上得到廣泛應用的超高強度變形鋁合金<spanstyle="...

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