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供應AK5M2更新鋁gost:ak5m2cu:1.5-3.5,si:4.0-6.00,mg:0.2-0.85mn:0.2-0.8,zn:1.5,fe:1,ni:0.5,ti:0.05-0.20,total:2.8
2009-06-17 /
gost:ak5m2cu:1.5-3.5,si:4.0-6.00,mg:0.2-0.85mn:0.2-0.8,zn:1.5,fe:1,ni:0.5,ti:0.05-0.20,total:2.8
2009-06-17 /