英文關鍵字
accessories
alloy
auto
automobile
bearing
car
carving
close
closeup
connector
control
crank
crankshaft
drive
energy
engine
engineering
garage
gear
gearbox
generator
hand
hose
industrial
iron
machine
male
man
material
metal
metallic
motor
muff
parts
pimp
piston
precision
pressure
pulleys
repair
ride
rubber
shaft
shiny
spare
toned
transmission
valve
vehicle
zoom