DC arc welding generator
multioperator welding generator
welding motor generator
Girth Welding∥Welding Auxiliary Device
tungsten inert-gas welding welding
Code-Generator Generator Language
SIGMA welding (MIG welding, Metallic Inert Gas Arc welding)
Are welding maehine∥11 International Welding Fair in Essen
同位素稀释质谱法(IDMS)
电弧焊机∥11届埃森国际焊接博览会
同位素稀释质谱法
down-hand welding (flat welding)
electric arc welding & electroslag welding
electron beam welding-brazing hybrid welding
iron welding wire for autogenous welding
stud horizontal welding and up welding
TIG-Laser welding hybrid welding
welding and post welding heat treatment
welding rod arc welding
welding rod electric-arc welding