機器
abstract
ac
air
background
blades
blow
building
chill
clean
climate
climatic
cold
compressor
conditioner
conditioning
control
converter
cool
cooler
cooling
current
device
dust
electric
electronic
electronics
environment
equipment
external
fan
fiber
filter
flow
frost
frozen
heat
heating
high
industrial
machinery
mesh
metal
modern
motor
outdoor
pattern
pollution
power
rotate
rotating
rotation
rotor
sheet
supply
technology
temperature
texture
trap
turbine
unit
vent
ventilate
ventilation
voltage
wall
warm