英文關鍵字
absorber
automotive
body
bumper
burn
carbon
combustion
control
dioxide
drive
engine
equipment
exhaust
from
ground
hole
industry
intake
iron
move
muffler
oxidation
parking
part
parts
pipe
pollution
rolling
shadow
smell
smoke
spare
start
suspension
system
technology
tire
toxic
transportation
tube
vehicle
waste
water
wheel