機器
10
3d
abstract
background
business
chrome
circle
clock
cog
cogwheel
colorful
communication
concept
design
element
engine
engineering
factory
gear
graphic
green
grey
icon
illustration
industrial
industry
info
innovation
machinery
mechanical
metal
modern
object
power
red
shape
sign
silhouette
steel
style
symbol
technology
vintage
web
wheel
white
work