英文關鍵字
tire
vehicle
wheel
rubber
close-up
testing
traction
dynamometer
roller
lab
motion
automotive
automobile
rolling
transportation
car
road
surface
friction
driving
safety
grip
detail
tread
durability
strength
engineering
equipment
mechanics
speed
movement
control
stability
power
metal
rotation
performance
dynamic
precision
technology
pressure
weight
energy
machine
mechanical
test
analysis
torque
measurement
close
measure
pattern
rotating
detailed
tyre
reflecting