上海电力PP-H08Mn2Ni3MoA低合金钢镀铜埋弧焊丝 ¥40.00 电力PP-H12Cr13马氏体不锈钢埋弧焊丝 ¥40.00 上海电力PP-H08CrMoA镀铜埋弧焊丝 ¥40.00 上海电力PP-H10Mn2NiMoA低合金钢镀铜埋弧焊丝 ¥30.00 上海电力PP-H09MnDR抗氢钢(HIC)用埋弧焊丝 ¥40.00 上海电力PP-H08Mn2Ni3MoA低合金钢镀铜埋弧焊丝 ¥40.00