电力PP-R327耐热钢焊条 ¥40.00 电力PP-R337耐热钢焊条 ¥40.00 上海电力PP-TIG-R10低合金耐热钢的钨极氩弧焊丝 ¥40.00 上海电力PP-TIG50-4C焊丝ER50-G控铬碳钢钨极氩弧焊丝 ¥40.00 【上海电力PP-TIG44-CrCuSb低合金钢钨极氩弧焊丝】 ¥40.00 上海电力PP-TIG317不锈钢钨极氩弧焊丝- ¥40.00