铝硅焊丝是什么焊丝中是铝硅焊丝

铝线,铝合金扁线,首饰专用铝线,簧铝线,铝焊丝}4,铝硅系合金:4004,4006,4007,4008,4009,4010,4011,4043,4044,4045,4047,4104,4145,4343,4543,4铝线,铝合金扁线,首饰专用铝线,簧铝线,铝焊丝}4,铝硅系合金:4004,4006,4007,4008,4009,4010,4011,4043,4044,4045,4047,4104,4145,4343,4543,4