The reaction dissolves at least a portion of the non-ferrous metal compositions into the solution which is in contact with solid ferric oxide.
反应使至少一部分非铁金属组合物溶解 到与固体氧化铁接触的溶液中。
DN and DN1 series marsh welders are widely used in the welding of low carbon steel strip, corrosion resistant plate, wires, silver contact and lots of non-ferrous metals.
DN 1系列点焊机广泛应用于工业生产中低碳钢板、不锈钢板、线材，银触头及大部分有色金属的焊接。
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