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turbofans
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turbomachinery
wind engine
turbine
turbogenerator
jet engine
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ge
impeller
exhaust fan
heatsink
plane engine
spiral bevel gears
turbogenerators
spiral background
aircraft engine
steam logo
spiral pattern
airflow
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GIF 动图
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cog wheel
cog wheels
spinner
bevel gear
commutators
ambisonics
wheel hub
gear wheels
spiral bevel gears
thermionic
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anisotropic
turbofan
turbofans
sunburst background
isotropic
cardioid
centrifugal
involute
impeller
black hole
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exhaust fan
fan leaf
ventilator
turbofans
smoke detector
aircell
heatsink
airconditioners
vornado
commercial air conditioning
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spiral background
colorful spiral
time spiral
slinky
light fractal
spiral
spiral pattern
spirals
vortex
vortices
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cog wheel
cog wheels
spinner
bevel gear
commutators
ambisonics
wheel hub
gear wheels
spiral bevel gears
thermionic
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spiral staircase
turbofans
turbofan
turbomachinery
winding staircase
spiral stairs
circular staircase
turbo jet engine
aircraft engine
impeller
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koru
spiral pattern
concentric
spiralis
triskelion
whorl
fiddlehead
hypnotists
spiral background
ammonoid
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spiral background
zigzag background
spiral pattern
anisotropic
sunburst background
abstract background
whirlpool pattern
background pattern
om
defending
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concentric
supercollider
cardioid
anisotropic
ventilation grid
circulations
dodecagonal
conductor tracks
spectrum spirograph
oscillation
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cog wheel
cog wheels
spinner
bevel gear
commutators
ambisonics
wheel hub
gear wheels
spiral bevel gears
thermionic
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concentric
centrifugal
toroidal
cardioid
spiral background
fibonacci spiral
ellipsometry
anisotropic
centripetal
time spiral
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turbofans
turbomachinery
exhaust fan
aircraft engine
turbo jet engine
ducts
airflow
bevel gear
wind engine
impeller
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spiral background
zigzag background
spiral pattern
anisotropic
sunburst background
abstract background
whirlpool pattern
background pattern
om
defending
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ball bearing
battery icon
rss icon
tape icon
concentric
audio player
cardioid
gray icon vectors
centrifugal
infrasonic
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turbofans
nacelle
revolving light
aircraft engine
ceiling light
impeller
turbofan
plane engine
centrifugal
jet engine
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anisotropic
spiral background
spiral pattern
concentric
cycloid
isotropic
centrifugal
fibonacci spiral
circumradius
spiral
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koru
spiral pattern
triskelion
fibonacci spiral
whorl
spiral
concentric
uzumaki
spiral background
whirlpool pattern
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sunburst background
anisotropic
3-fold sun
turbomachinery
thermosphere
reverse sun
turbofan
isotropic
fan leaf
cardioid
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centrifugal
spiral background
toroidal
circumradius
gyromagnetic
whirlpool pattern
time spiral
concentric
rotating beacon
circulations
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turbomachinery
turbofan
centrifugal
anisotropic
corrugation
spiral background
helical
ventilator
spiral pattern
wavevector