機器
abstract
auto
automobile
automotive
background
chrome
combustion
component
current
cylinders
detail
diesel
duty
electric
electrical
electricity
energy
engine
engineering
equipment
exchanger
filter
fuel
gas
gear
generation
generator
heavy
industrial
industry
internal
large
machinery
manufacturing
mechanic
metal
motor
part
plant
power
powerful
radiator
system
technical
technology
turbo
unit
valves
vehicle