紡錘
3d rendering
auto
automobile
automotive
background
cam
camshaft
car
cog
combustion
components
crank
crank shaft
crankshaft
cylinder
diesel
element
engine
engineering
equipment
force
four
fuel
gear
head
industrial
isolated
mechanical
mechanism
metal
moment
motor
object
part
petrol
pinion
piston
pistons
plunger
power
repair
rod
scheme
shaft
steel
technology
transport
truck
white