英文關鍵字
array
bond
bonding
clip
clockwork
closeup
cmyk
cog
cogwheel
color
colorful
combine
concept
connect
cooperation
engaged
engineering
factory
features
gear
gearbox
gears
industry
ink
interlock
interlocked
interlocking
loop
looping
machine
machinery
macro
mechanical
mechanism
movement
plastic
power
printing
progress
robotic
rotation
teamwork
technical
technology
teeth
this
together
version
wheels