AlMg0.7Si(B)¾TªO AlMg0.7Si(B)¾T´Î AlMg0.7Si(B)¾TºÞ AlMg0.7Si(B)¾T½u AlMg0.7Si(B)¾T¿õ AlMg0.7Si(B)¾T±a
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Si:0.20~0.6
Fe:0.15
Cu:0.20
Mn:0.05
Mg:0.45~0.9
Zn:0.05
Al:Êe¶q