英文關鍵字
motor
carbon
brushes
used
supply
electric
current
stator
rotor
disassembled
parts
motors
education
commutator
technology
white
energy
modern
electricity
power
magnet
dc
shaft
mini
small
disassemble
closeup
object
英文關鍵字
motor
carbon
brushes
used
supply
electric
current
stator
rotor
disassembled
parts
motors
education
commutator
technology
white
energy
modern
electricity
power
magnet
dc
shaft
mini
small
disassemble
closeup
object