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crankshafts
cable reel
brake mechanism
lathing
milling machine
rotary valves
spooling
superconducting
the tonearm
wooden cable reel
valvetrain
valves
extruder
pressure regulator
tensioner
trunnion
internal-combustion engine
stator
wheel hub
steam engine
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GIF 动图
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linotype
old calculating machine
sewing machine
sewing tools
brake mechanism
calculating machine
the nozzle needle
computer part
mechanism
component
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water jet
grinding wheel
machining
circular saw
milling machine
metalworking
seesawing
impeller
welding
toolmaking
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rotary elevator
brewery boiler
beer dispenser
popcorn machine
measuring bell
coffee grinder
autoclave
separator
calorimeter
gravimeter
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the tonearm
micrometer
microtome
micrometers
gear lever
the nozzle needle
interferometer
sewing machine
cinematograph
microfilming
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milling machine
machining
broaching
crankshafts
trunnion
thermoforming
industrial robot
alloying
gravimetric
degassing
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turbo jet engine
nose wheel
turbofan
turbofans
nosewheel
plane engine
aircraft engine
jet engine
impellers
impeller
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grinding wheel
the nozzle needle
cfm
brake mechanism
machining
applicator
milling machine
wheel hub
seed machine
alligator clamp
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brazing
pressurized water pipe
welds
pressure pipes
suction nozzles
pipe work
penetrant
steel tube
steel pipe
downhole
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aluminum tube
square steel tube
the nozzle needle
ferromagnet
countersink
gyromagnetic
water jet
oil discharge
molten metal
machining
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centrifuges
watchmaking
centrifuged
centrifuge
centrifugation
vials
cyclotrons
photomultipliers
antihydrogen
liposomes
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refluxing
water jet
machining
the nozzle needle
pressurized water pipe
annealing
oil discharge
calorimeter
fluidized
electrodeposition
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photomultipliers
cylinder head
cylinder block
engine block
photomultiplier
camshaft
connector
film strip
crankshaft
rectangular components
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brake mechanism
circular saw
plane engine
bucket wheel excavator
spiral bevel gears
jet engine
aircraft engine
derailleur
mercedes engine
bmw engine
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grinding wheel
milling machine
steel ropes
water jet
annealing
weight plates
ferromagnet
machining
steel rope
crankshafts
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electroplating
passivation
burnishing
suction nozzles
silversmithing
metalsmithing
brazing
penetrant
armouring
grinding wheel
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turbo jet engine
nozzle
bike black background
bike lamp
jet engine
bicycle bell
wheel hub
pressurized water pipe
mercedes engine
bmw engine
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turbo jet engine
jet engine
machining
turbofan
plane engine
turbomachinery
oil discharge
fluidized
wind engine
turbojet
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pressure gauge
pressure measurement
hygrometer
magnetic compass
pressure regulator
bearing compass
superconducting
calorimeter
fluidized
annealing
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heavy motorcycle
super charged engine
exhaust system
race car engine
internal-combustion engine
harleys
turbo jet engine
motorcycle battery
carburetion
electric motorcycle
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grinding wheel
turntablism
milling machine
phonautograph
turntablist
gravimetric
microtome
turntablists
water jet
micromachining