英文關鍵字
air
blue
chemical
day
detail
engineering
equipment
europe
exterior
facade
factory
front
gauge
heating
industrial
instrunemt
measuring
metal
metallurgical
old
pipe
plant
poland
production
red
refinery
scale
technology
temperature
wall
wtite
英文關鍵字
air
blue
chemical
day
detail
engineering
equipment
europe
exterior
facade
factory
front
gauge
heating
industrial
instrunemt
measuring
metal
metallurgical
old
pipe
plant
poland
production
red
refinery
scale
technology
temperature
wall
wtite