機器
aerodynamic
air
airplane
airplane icon
airscrew
appliance
background
black
blade
closeup
cold
compressor
computer
cooler
cooling
design
detail
electric
energy
engineering
equipment
fan
fly
glitter
heat
industry
metal
motive
motor
object
part
pc
plastic
power
propeller
rotor
round
spinning
steel
technology
temperature
turbine
turbo
up
vane
ventilation
ventilator
white
wind