機器
3d
automotive
background
blurred
bokeh
calibration
car
close up
cogwheel
concept
design
detail
device
dimension
engineering
equipment
focus
gear
industrial
industry
laser
lens flare
light
machinery
measurement
mechanical
mechanism
metal
metalwork
part
power
precise
probe
process
processing
production
quality
technical
technology
template
transmission
turbine
wheel