英文關鍵字
background
bath
coating
galvanization
gray
handsome
harmful
heavy
industry
liquid
manufacturing
metallurgy
metalwork
molten
oven
pretty
production
profession
rare
technical
technology
temperature
worker
young
zinc
英文關鍵字
background
bath
coating
galvanization
gray
handsome
harmful
heavy
industry
liquid
manufacturing
metallurgy
metalwork
molten
oven
pretty
production
profession
rare
technical
technology
temperature
worker
young
zinc