特种焊工证上作业代号：SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13 SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13

特种焊工证上作业代号：SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13 SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13
特种焊工证上作业代号：SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13
SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13

特种焊工证上作业代号：SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13 SMAW-Fe II-6G-3/60-Fef3J和GTAW-Fe II-6G-3/60-Fefs-02/11/13
SMAW是焊条电弧焊 Fe 是铁 II是低合金钢 6G是向上焊 3/60是试件厚度/管外径 F3J是用低氢型焊条 GTAW是钨极气体保护焊 其他同上