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electronic drum pad
calorimeter
exhaust fan
the speaker grill
compact fluorescent lamp
galvanometer
snare drum
diaphone
gas burner
cable reel
light-alloy rim
wheel hub
gas stove
magnetic compass
transducer
variometer
the tonearm
remo ux drum head
cd burner
photocell
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GIF 动图
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electronic drum pad
exhaust fan
ampex
cable reel
calorimeter
galvanometer
diaphone
the tonearm
compact fluorescent lamp
gas burner
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ball milling cutter
piston valve
sidevalve
valve cap
rotary valves
piston
carburetors
couplings
wheel hub
carburettor
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nanosatellite
base plate
compactpci
cubesat
voltage regulator
cryosat
attenuator
digitizer
galvanometer
radiosonde
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masterdisk
magnetic tape
grammophon
gramophone record
magneto-optical disk
cable reel
cd drive
ampex
vinyl player
the record machine
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variometer
photomultiplier
galvanometer
photomultipliers
magnetic compass
gyroscopes
hygrometer
magnetometer
calorimeter
radiometers
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valve cap
diaphone
bass speaker
audio speakers
horn loudspeaker
automotive ac cylinder
sundown audio car audio
air inlet
infrasonic
potentiometers
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led lamp
carburetor
potentiometers
compact fluorescent lamp
halogen light
gyroscopes
halogen bulb
photomultiplier
watchmaking
presser foot
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presser foot
extension ring
alloy rim
flange
gyrocompass
circular ring
light-alloy rim
gyromagnetic
motorcycle rim
loupe
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paxina camera
twin lens reflex
vintage box camera
enlarger
6x9 film camera
photo equipment with full-size
nanolithography
calorimeter
colorimeter
box camera
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compact fluorescent lamp
two pin plug
electrical clamp connector
adaptors
adapters
connectors
cable reel
connector
wire tensioner
ventilation clamp
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cable reel
galvanometer
gravimeter
magnetron
film projector
gyroscopes
ampex
colorimeter
gas stove
kinematograph
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variometer
photomultiplier
galvanometer
photomultipliers
magnetic compass
gyroscopes
hygrometer
magnetometer
calorimeter
light-alloy rim
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impeller
ventilation clamp
ball milling cutter
extension ring
isolated product image
air inlet
connecting rod
light-alloy rim
washing machine drum
nanolithography
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photomultiplier
attenuator
potentiometer
voltage regulator
photocell
solenogasters
nanosatellite
solenoid
attenuators
thyristor
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silver coin
magnetic compass
microturbines
gallium
nichrome
potentiometers
halogen spotlights
photocell
adhesive electrodes
compact fluorescent lamp
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wheel hub
trunnion
ball milling cutter
rotary valves
impellers
hubcap
flange
impeller
flanges
aluminium rim
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smoke alarm system
smoke detector
compact fluorescent lamp
surveillance camera
halogen bulb
halogen spotlights
stecker
a flashlight
microphone wireless
microaire
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flange
ball milling cutter
piston valve
couplings
valve cap
wheel hub
fastening devices
bushings
grinding wheel
brake buffer stop
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audio speakers
sundown audio car audio
bass speaker
digital bi-amp powered loudspeaker
the speaker grill
horn loudspeaker
subwoofer
sound speakers
hydrophones
electronic drum pad
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ball bearing
bushings
valve cap
extension ring
wheel hub
grinding wheel
flange
trunnion
piston valve
rifling