英文關鍵字
1080
abstract
animated
animation
background
brain
business
design
dynamic
element
engineering
equipment
gear
gearbox
gearwheel
graphic
head
industrial
machine
machinery
mechanic
mechanical
mechanism
mentality
mind
motion
moving
pinion
reasoning
robot
rotate
rotating
rotation
steel
team
teamwork
technology
teeth
thought
toothed
transmission
turn
wheel
working