機器
auto
automobile
automotive
belts
camshaft
car
chain
chrome
crank
crankshaft
cutaway
details
diesel
drive
engine
engineering
equipment
gear
industrial
industry
internal
iron
kit
machinery
mechanic
mechanical
metal
metallic
motor
new
part
piston
repair
service
set
shop
sparking
steel
stroke
technology
timing
transmission
transport
transportation
v6
vehicle