Cu 107斯米克焊条 ECu Red copper, atmosphere and sea water corrosion and excellent electric conductivity. Welding of red copper such as electrical copper row. 紫铜,耐大气,海水腐蚀,导电性好。紫铜焊接用,如导电铜排 ECu PP-R807耐热钢焊条 PP-TIG-J50电力焊丝 德国蒂森WB36焊条 ***51***焊条 ARCFCW9066耐磨焊丝 HB-YD467耐磨焊丝