機器
air
aluminium
conditioner
conditioning
construction
cooling
curve
duct
engineering
equipment
factory
grey
group
horizontal
industrial
industry
manufacturing
material
mechanical
metal
metallic
new
part
pile
pipe
pipeline
production
round
section
sheet
shine
shiny
silver
site
sparse
stack
stainless
steel
storage
supply
system
technical
technique
technology
tube
ventilation
wind
workshop