機器
alternating
anchor
background
black
capacitance
capacitor
coil
collector
copper
current
disassemble
disassembled
electric
electrical
electricity
electromagnet
electromagnetism
energy
generator
induction
inductor
industrial
iron
isolated
magnet
magnetic
magnetism
metal
motor
new
one
pantograph
part
phase
pole
power
rotate
rotation
rotor
shaft
single
spare
starter
stator
structure
technology
winding
wire
wiring