Al-Cu合金 Al-Cu alloy

高强Al-Cu合金 high strength Al-Cu alloy

al-si-cu合金 al-si-cu alloy

Al-Cu 合金 Al-Cu alloy

Al-Cu-Mg合金 Al-Cu-Mg alloy

cu-zn-al合金 cu-zn-al alloy

Cu-Al合金 Cu-Al alloy

Al-Cu-Li合金 Al-Cu-Li alloy

al-cu-fe合金 al-cu-fe alloy

Cu-Al合金层 Cu-Al alloy layer