機器
ac
air
alternator
auto
automobile
automotive
background
belt
blowing
car
clean
climate control
cold
compressor
compressorcondensator
condenser
conditioner
conditioning
cooler
cooling
coupling
engine
freon
idler
industry
mechanic
mechanical
metal
metallic
motor
new
part
pulley
pump
repair
roller
service
spare
steel
technology
transportation
truck
vehicle