英文關鍵字
additive
burn
burnt
carbonmonoxide
clean
close
combustion
completed
control
electronically
energy
environment
environmental
exhaust
filter
fossil
from
fuel
fume
fumed
gas
gasoline
h2o
heat
high
idle
ignition
macro
mechanical
mist
mogas
moisture
octane
oxygene
perfect
pipe
plugs
pollution
rotate
smoke
soot
spark
speed
tail
tip
toxic
turn
unit
voltage
waste
water
white
wiring