機器
background
bar
case
closeup
coil
commutator
component
copper
current
dc
detail
device
drive
electric
electrical
electricity
electronic
energy
engine
equipment
generator
induction
inductor
industrial
industry
iron
magnet
magnetic
mechanic
metal
model
motion
motor
object
old
part
power
rotation
rotor
service
small
starter
stator
steel
technology
winding
wire
wiring
wooden