機器
選択的
abstract
accuracy
aluminum
background
closeup
cnc
component
cylinder
cylindrical
engineering
equal
factory
focus
hardware
heavy
industrial
industry
iron
lathe
machined
machining
manufacturing
many
material
metal
metallic
new
object
part
pattern
pile
pipe
product
production
reliability
repeating
round
shiny
silver
stack
steel
surface
technology
texture
tube
turning