機器
3d illustration
abstract
background
circle
cog
cogwheel
collection
computer
concept
construction
design
draw
drawing
element
engineering
equipment
factory
frame
gear
icon
industrial
industry
isometric
line
machinery
mechanic
mechanical
mechanism
model
outline
part
pattern
planet
power
round
set
silhouette
sun
symbol
teamwork
technical
technology
teeth
tool
wheel
wireframe