英文關鍵字
auto
automobile
automotive
bed
big
block
car
closeup
clutch
clutches
cylinder
damper
diesel
disc
drive
engine
engineering
flywheels
gear
heart
heavy
huge
industrial
industry
inside
machine
maintenance
mechanical
metal
motor
mount
object
panning
part
parts
plate
power
preparation
removed
repair
repairs
service
set
steel
technology
transmission
transportation
truck
vehicle