機器
3d
abstract
alloy
aluminium
aluminum
backdrop
background
black
creative
creativity
dark
decorative
dense
detail
factory
graphic
gray
grey
heavy
industrial
industry
intense
intensity
intensive
iron
machinery
manufacture
manufacturing
mechanical
metal
metallic
metalwork
particle
particles
pattern
powder
precision
reflection
rendering
shiny
silver
space
spikes
stainless
steel
work
workpiece