Aluminumbase铝基L400Castrod,wire&rod铸条、丝577-582Si11.5AlRem.Brazingofaluminumandaluminumalloys.铝及铝合金的钎焊BAlSi-4L401Castrod铸条525-535Si5Cu28AlRem.Brazingofaluminumandaluminumalloys.铝及铝合金的钎焊)