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cable reel
electrospinning
extruder
spool
sewing thread
thrust print
spindle
cd burner
inductor
isolated product image
reprap
nanolithography
spooling
printing inks
stereolithography
magnetron
thread counter
optical fiber
warping
spinning top
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图片
GIF 动图
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cable reel
electrospinning
spool
bobbin with felt cover
sewing thread
thrust print
cd burner
duplicator
inductor
square tubing
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magnetic tape
cable reel
nato wire
adhesive tape
magneto-optical disk
glass fiber
masterdisk
optical fiber
cd burner
celluloid
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magneto-optical disk
isolated product image
magnetic tape
optical drive
cd burner
cd rom
microfilm
duplicator
cd- cd-rom
compact fluorescent lamp
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spinning top
fire ring
tritium
gyromagnetic
magnete
rotating beacon
spinner
cd burner
pyxis
tea light holder
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sewing thread
spools
cotton thread
thread counter
thread roll
bobbin with felt cover
thread
nato wire
skeins
fluorocarbon
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galvanometer
photomultiplier
thermoelectric
photodiode
digital bi-amp powered loudspeaker
piezoelectric
photodetector
plasma lamp
magnetometer
light waveguide
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magnetic tape
cable reel
nato wire
adhesive tape
magneto-optical disk
glass fiber
masterdisk
optical fiber
cd burner
celluloid
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cable reel
thread roll
electrospinning
seismograph
thread counter
spools
spiral binding
digital bi-amp powered loudspeaker
magnetic tape
metamaterial
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spinning top
fire ring
tritium
gyromagnetic
magnete
rotating beacon
spinner
cd burner
pyxis
tea light holder
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digital bi-amp powered loudspeaker
voltage regulator
heatsink
opteron
potentiometer
pc speaker
nanosatellite
uninterruptible power supply
thermoelectric
power supply
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magnetic tape
magneto-optical disk
nanosatellite
cable reel
duplicator
cd burner
microfilm
optical drive
adhesive tape
trunk disc
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thrust print
square tubing
electrospinning
tpu
cable reel
cablecast
stereolithography
spool
reprap
cabletron
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potentiometer
inductor
inductors
potentiometers
voltage regulator
thyristors
photomultiplier
nanosatellite
electromagnets
microturbines
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hydrophones
headset profile
horn loudspeaker
inductors
bluetooth headset
wireless headset
thermistor
adhesive electrodes
inductor
hydrophone
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spooling
spool
filament
electrospinning
extruder
cable reel
reprap
printing inks
cabling
optical fiber
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electrospinning
extrusion
thrust print
nanofabrication
glass fiber
square tubing
stereolithography
filament
machined
spool
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photomultiplier
attenuator
potentiometer
voltage regulator
photocell
solenogasters
nanosatellite
solenoid
attenuators
thyristor
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hydrophone
hydrophones
photocell
square tubing
stroboscope
galvanometer
cable reel
condenser microphone
solenogasters
tripod head
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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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sewing thread
bobbin with felt cover
thread roll
cotton thread
sewing button
thread counter
thread
sock yarn
silk labels
spool