英文關鍵字
aluminum
aluminumwirerod
billetfurnace
billetheater
industry
iron
ironbar
manufacturing
metal
metallurgicplant
metallurgy
partblank
pigiron
productionsector
squarebarsteel
steel
steelindustry
worker
workpiece
英文關鍵字
aluminum
aluminumwirerod
billetfurnace
billetheater
industry
iron
ironbar
manufacturing
metal
metallurgicplant
metallurgy
partblank
pigiron
productionsector
squarebarsteel
steel
steelindustry
worker
workpiece