英文關鍵字
auto
background
belt
black
bus
car
cars
close
compressor
crankshaft
detail
diesel
disassembled
drive
elements
energy
engine
engineering
equipment
generator
grass
industrial
industry
machine
mechanic
metal
modern
movement
nobody
object
old
part
performance
pole
power
powerful
pulley
pulleys
repair
running
steel
steering
system
technology
transport
truck
vehicle
vintage
wheel
white
work