英文關鍵字
3d
animation
black
body
cad
car
cube
d
electronics
element
engineering
equipment
flower
gear
graphic
gun
hand
heart
house
icon
illustration
industry
isolated
isometric
machine
manufacturing
mechanical
mechanism
model
motion
pen
pictogram
plastic
printer
printing
process
processing
production
prototype
render
ring
robot
rocket
simple
statue
symbol
technology
teeth
work