美 国铝合金8077 8177 8079 8280 8081 8090 8091 X8092 X8192 Al99.5 Al99.6 Al99.7 Al99.8 Al99.0Cu Al99.0 Al99.3 E-Al99.5 E-Al99.7 AlCu6BiPb AlCu4SiMg AlCu4MgSi AlCu2.5Mg AlCu2Mg AlCu6Mn AlCu4Mg1 AlCu4PbMg AlMn1Cu AlMn1 AlMn1Mg1 AlMn1Mg0.5 AlMg0.5Mg0.5 AlSi5 AlSi2 AlMg1 AlMg1.5 AlMg2 AlMg3.5 AlMg2.5 AlMg3Mn AlMg3Mn(A) AlMg3 AlMg5 AlMg5Cr
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