inside welding tracking
electro slag welding with consumable nozzle
Electro-slag welding with consumable nozzle
electro-slag welding(ESW)
Girth Welding∥Welding Auxiliary Device
tungsten inert-gas welding welding
welding slag cleaning machine
SIGMA welding (MIG welding, Metallic Inert Gas Arc welding)
inside forward inside back bracket
inside forward inside back counters
inside forward inside back rockers
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)