機器
auto
automobile
automotive
belt
blue
car
catch
chain
clean
combustion
details
diesel
drives
effective
engine
engineering
front
fuel
gas
gasoline
gear
generator
hood
industrial
industry
iron
mechanic
mechanical
mechanically
mending
metal
metallic
motor
move
new
oil
part
power
purely
rotor
shiny
steel
technology
torque
transmission
transportation
vehicle