焊工代号及代号意义

SMAW-FeIV-lG-6-Fefl焊条焊FelVFef 1W12DM76板管角焊SMAW-FeIV-lG-6-Fefl焊条焊FelVFef 1W12DM76板管角焊14SMAW-FeIV-2G-6